Home / 104,426.76-156,639.24-25,540.32

Finding the Fourth Proportional to 104,426.76, 156,639.24 and 25,540.32

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Solution

The fourth proportional to 104,426.76, 156,639.24 and 25,540.32 is: 38,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.76 : 156,639.24 = 25,540.32 : x
  2. Step 2: Convert to fraction form
    104,426.76/156,639.24 = 25,540.32/x
  3. Step 3: Cross multiply
    104,426.76x = 156,639.24 × 25,540.32
  4. Step 4: Simplify right side
    104,426.76x = 4,000,616,314.16
  5. Step 5: Solve for x
    x = 4,000,616,314.16/104,426.76
  6. Step 6: Final answer
    x = 38,310.26

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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.