Home / 104,645.20-156,966.39-25,760.08

Finding the Fourth Proportional to 104,645.20, 156,966.39 and 25,760.08

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Solution

The fourth proportional to 104,645.20, 156,966.39 and 25,760.08 is: 38,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.20 : 156,966.39 = 25,760.08 : x
  2. Step 2: Convert to fraction form
    104,645.20/156,966.39 = 25,760.08/x
  3. Step 3: Cross multiply
    104,645.20x = 156,966.39 × 25,760.08
  4. Step 4: Simplify right side
    104,645.20x = 4,043,466,763.71
  5. Step 5: Solve for x
    x = 4,043,466,763.71/104,645.20
  6. Step 6: Final answer
    x = 38,639.77

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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.