Home / 126,753.40-174,988.98-86,527.12

Finding the Fourth Proportional to 126,753.40, 174,988.98 and 86,527.12

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Solution

The fourth proportional to 126,753.40, 174,988.98 and 86,527.12 is: 119,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.40 : 174,988.98 = 86,527.12 : x
  2. Step 2: Convert to fraction form
    126,753.40/174,988.98 = 86,527.12/x
  3. Step 3: Cross multiply
    126,753.40x = 174,988.98 × 86,527.12
  4. Step 4: Simplify right side
    126,753.40x = 15,141,292,471.14
  5. Step 5: Solve for x
    x = 15,141,292,471.14/126,753.40
  6. Step 6: Final answer
    x = 119,454.72

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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.