Home / 125,898.46-173,763.18-72,183.85

Finding the Fourth Proportional to 125,898.46, 173,763.18 and 72,183.85

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Solution

The fourth proportional to 125,898.46, 173,763.18 and 72,183.85 is: 99,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,898.46 : 173,763.18 = 72,183.85 : x
  2. Step 2: Convert to fraction form
    125,898.46/173,763.18 = 72,183.85/x
  3. Step 3: Cross multiply
    125,898.46x = 173,763.18 × 72,183.85
  4. Step 4: Simplify right side
    125,898.46x = 12,542,895,320.64
  5. Step 5: Solve for x
    x = 12,542,895,320.64/125,898.46
  6. Step 6: Final answer
    x = 99,627.08

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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.