Home / 125,591.15-173,318.85-71,893.46

Finding the Fourth Proportional to 125,591.15, 173,318.85 and 71,893.46

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Solution

The fourth proportional to 125,591.15, 173,318.85 and 71,893.46 is: 99,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,591.15 : 173,318.85 = 71,893.46 : x
  2. Step 2: Convert to fraction form
    125,591.15/173,318.85 = 71,893.46/x
  3. Step 3: Cross multiply
    125,591.15x = 173,318.85 × 71,893.46
  4. Step 4: Simplify right side
    125,591.15x = 12,460,491,809.72
  5. Step 5: Solve for x
    x = 12,460,491,809.72/125,591.15
  6. Step 6: Final answer
    x = 99,214.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.