Home / 116,840.51-175,190.58-45,678.38

Finding the Fourth Proportional to 116,840.51, 175,190.58 and 45,678.38

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Solution

The fourth proportional to 116,840.51, 175,190.58 and 45,678.38 is: 68,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,840.51 : 175,190.58 = 45,678.38 : x
  2. Step 2: Convert to fraction form
    116,840.51/175,190.58 = 45,678.38/x
  3. Step 3: Cross multiply
    116,840.51x = 175,190.58 × 45,678.38
  4. Step 4: Simplify right side
    116,840.51x = 8,002,422,187.86
  5. Step 5: Solve for x
    x = 8,002,422,187.86/116,840.51
  6. Step 6: Final answer
    x = 68,490.13

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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.