Home / 631,178.86-946,768.43-157,864.27

Finding the Fourth Proportional to 631,178.86, 946,768.43 and 157,864.27

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Solution

The fourth proportional to 631,178.86, 946,768.43 and 157,864.27 is: 236,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,178.86 : 946,768.43 = 157,864.27 : x
  2. Step 2: Convert to fraction form
    631,178.86/946,768.43 = 157,864.27/x
  3. Step 3: Cross multiply
    631,178.86x = 946,768.43 × 157,864.27
  4. Step 4: Simplify right side
    631,178.86x = 149,460,907,061.00
  5. Step 5: Solve for x
    x = 149,460,907,061.00/631,178.86
  6. Step 6: Final answer
    x = 236,796.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.