Home / 104,285.68-156,425.46-25,398.76

Finding the Fourth Proportional to 104,285.68, 156,425.46 and 25,398.76

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Solution

The fourth proportional to 104,285.68, 156,425.46 and 25,398.76 is: 38,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,285.68 : 156,425.46 = 25,398.76 : x
  2. Step 2: Convert to fraction form
    104,285.68/156,425.46 = 25,398.76/x
  3. Step 3: Cross multiply
    104,285.68x = 156,425.46 × 25,398.76
  4. Step 4: Simplify right side
    104,285.68x = 3,973,012,716.43
  5. Step 5: Solve for x
    x = 3,973,012,716.43/104,285.68
  6. Step 6: Final answer
    x = 38,097.39

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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.