Home / 104,240.72-156,358.88-25,355.36

Finding the Fourth Proportional to 104,240.72, 156,358.88 and 25,355.36

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Solution

The fourth proportional to 104,240.72, 156,358.88 and 25,355.36 is: 38,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,240.72 : 156,358.88 = 25,355.36 : x
  2. Step 2: Convert to fraction form
    104,240.72/156,358.88 = 25,355.36/x
  3. Step 3: Cross multiply
    104,240.72x = 156,358.88 × 25,355.36
  4. Step 4: Simplify right side
    104,240.72x = 3,964,535,691.60
  5. Step 5: Solve for x
    x = 3,964,535,691.60/104,240.72
  6. Step 6: Final answer
    x = 38,032.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.