Home / 113,340.52-156,442.86-75,614.68

Finding the Fourth Proportional to 113,340.52, 156,442.86 and 75,614.68

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Solution

The fourth proportional to 113,340.52, 156,442.86 and 75,614.68 is: 104,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,340.52 : 156,442.86 = 75,614.68 : x
  2. Step 2: Convert to fraction form
    113,340.52/156,442.86 = 75,614.68/x
  3. Step 3: Cross multiply
    113,340.52x = 156,442.86 × 75,614.68
  4. Step 4: Simplify right side
    113,340.52x = 11,829,376,797.18
  5. Step 5: Solve for x
    x = 11,829,376,797.18/113,340.52
  6. Step 6: Final answer
    x = 104,370.24

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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.