Home / 92,154.71-138,221.17-54,226.73

Finding the Fourth Proportional to 92,154.71, 138,221.17 and 54,226.73

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Solution

The fourth proportional to 92,154.71, 138,221.17 and 54,226.73 is: 81,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,154.71 : 138,221.17 = 54,226.73 : x
  2. Step 2: Convert to fraction form
    92,154.71/138,221.17 = 54,226.73/x
  3. Step 3: Cross multiply
    92,154.71x = 138,221.17 × 54,226.73
  4. Step 4: Simplify right side
    92,154.71x = 7,495,282,065.87
  5. Step 5: Solve for x
    x = 7,495,282,065.87/92,154.71
  6. Step 6: Final answer
    x = 81,333.68

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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.