Home / 127,780.92-176,337.48-74,097.12

Finding the Fourth Proportional to 127,780.92, 176,337.48 and 74,097.12

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Solution

The fourth proportional to 127,780.92, 176,337.48 and 74,097.12 is: 102,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,780.92 : 176,337.48 = 74,097.12 : x
  2. Step 2: Convert to fraction form
    127,780.92/176,337.48 = 74,097.12/x
  3. Step 3: Cross multiply
    127,780.92x = 176,337.48 × 74,097.12
  4. Step 4: Simplify right side
    127,780.92x = 13,066,099,416.06
  5. Step 5: Solve for x
    x = 13,066,099,416.06/127,780.92
  6. Step 6: Final answer
    x = 102,253.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.