Home / 113,733.20-156,959.17-66,002.60

Finding the Fourth Proportional to 113,733.20, 156,959.17 and 66,002.60

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Solution

The fourth proportional to 113,733.20, 156,959.17 and 66,002.60 is: 91,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,733.20 : 156,959.17 = 66,002.60 : x
  2. Step 2: Convert to fraction form
    113,733.20/156,959.17 = 66,002.60/x
  3. Step 3: Cross multiply
    113,733.20x = 156,959.17 × 66,002.60
  4. Step 4: Simplify right side
    113,733.20x = 10,359,713,313.84
  5. Step 5: Solve for x
    x = 10,359,713,313.84/113,733.20
  6. Step 6: Final answer
    x = 91,087.86

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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.