Home / 125,545.45-173,282.85-71,861.59

Finding the Fourth Proportional to 125,545.45, 173,282.85 and 71,861.59

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Solution

The fourth proportional to 125,545.45, 173,282.85 and 71,861.59 is: 99,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,545.45 : 173,282.85 = 71,861.59 : x
  2. Step 2: Convert to fraction form
    125,545.45/173,282.85 = 71,861.59/x
  3. Step 3: Cross multiply
    125,545.45x = 173,282.85 × 71,861.59
  4. Step 4: Simplify right side
    125,545.45x = 12,452,381,120.73
  5. Step 5: Solve for x
    x = 12,452,381,120.73/125,545.45
  6. Step 6: Final answer
    x = 99,186.24

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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.