Home / 127,708.38-176,224.95-71,125.02

Finding the Fourth Proportional to 127,708.38, 176,224.95 and 71,125.02

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Solution

The fourth proportional to 127,708.38, 176,224.95 and 71,125.02 is: 98,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.38 : 176,224.95 = 71,125.02 : x
  2. Step 2: Convert to fraction form
    127,708.38/176,224.95 = 71,125.02/x
  3. Step 3: Cross multiply
    127,708.38x = 176,224.95 × 71,125.02
  4. Step 4: Simplify right side
    127,708.38x = 12,534,003,093.25
  5. Step 5: Solve for x
    x = 12,534,003,093.25/127,708.38
  6. Step 6: Final answer
    x = 98,145.50

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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.