Home / 127,743.10-176,285.52-74,059.24

Finding the Fourth Proportional to 127,743.10, 176,285.52 and 74,059.24

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Solution

The fourth proportional to 127,743.10, 176,285.52 and 74,059.24 is: 102,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,743.10 : 176,285.52 = 74,059.24 : x
  2. Step 2: Convert to fraction form
    127,743.10/176,285.52 = 74,059.24/x
  3. Step 3: Cross multiply
    127,743.10x = 176,285.52 × 74,059.24
  4. Step 4: Simplify right side
    127,743.10x = 13,055,571,634.20
  5. Step 5: Solve for x
    x = 13,055,571,634.20/127,743.10
  6. Step 6: Final answer
    x = 102,201.78

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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.