Home / 177,768.06-266,652.10-53,109.06

Finding the Fourth Proportional to 177,768.06, 266,652.10 and 53,109.06

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Solution

The fourth proportional to 177,768.06, 266,652.10 and 53,109.06 is: 79,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,768.06 : 266,652.10 = 53,109.06 : x
  2. Step 2: Convert to fraction form
    177,768.06/266,652.10 = 53,109.06/x
  3. Step 3: Cross multiply
    177,768.06x = 266,652.10 × 53,109.06
  4. Step 4: Simplify right side
    177,768.06x = 14,161,642,378.03
  5. Step 5: Solve for x
    x = 14,161,642,378.03/177,768.06
  6. Step 6: Final answer
    x = 79,663.59

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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.