Home / 113,517.64-156,710.46-71,099.56

Finding the Fourth Proportional to 113,517.64, 156,710.46 and 71,099.56

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Solution

The fourth proportional to 113,517.64, 156,710.46 and 71,099.56 is: 98,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,517.64 : 156,710.46 = 71,099.56 : x
  2. Step 2: Convert to fraction form
    113,517.64/156,710.46 = 71,099.56/x
  3. Step 3: Cross multiply
    113,517.64x = 156,710.46 × 71,099.56
  4. Step 4: Simplify right side
    113,517.64x = 11,142,044,753.40
  5. Step 5: Solve for x
    x = 11,142,044,753.40/113,517.64
  6. Step 6: Final answer
    x = 98,152.54

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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.