Home / 127,898.38-176,496.21-74,180.02

Finding the Fourth Proportional to 127,898.38, 176,496.21 and 74,180.02

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Solution

The fourth proportional to 127,898.38, 176,496.21 and 74,180.02 is: 102,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,898.38 : 176,496.21 = 74,180.02 : x
  2. Step 2: Convert to fraction form
    127,898.38/176,496.21 = 74,180.02/x
  3. Step 3: Cross multiply
    127,898.38x = 176,496.21 × 74,180.02
  4. Step 4: Simplify right side
    127,898.38x = 13,092,492,387.72
  5. Step 5: Solve for x
    x = 13,092,492,387.72/127,898.38
  6. Step 6: Final answer
    x = 102,366.37

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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.