Home / 104,005.91-156,008.50-25,120.15

Finding the Fourth Proportional to 104,005.91, 156,008.50 and 25,120.15

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Solution

The fourth proportional to 104,005.91, 156,008.50 and 25,120.15 is: 37,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005.91 : 156,008.50 = 25,120.15 : x
  2. Step 2: Convert to fraction form
    104,005.91/156,008.50 = 25,120.15/x
  3. Step 3: Cross multiply
    104,005.91x = 156,008.50 × 25,120.15
  4. Step 4: Simplify right side
    104,005.91x = 3,918,956,468.45
  5. Step 5: Solve for x
    x = 3,918,956,468.45/104,005.91
  6. Step 6: Final answer
    x = 37,680.13

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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.