Home / 125,227.20-172,813.14-67,868.19

Finding the Fourth Proportional to 125,227.20, 172,813.14 and 67,868.19

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Solution

The fourth proportional to 125,227.20, 172,813.14 and 67,868.19 is: 93,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,227.20 : 172,813.14 = 67,868.19 : x
  2. Step 2: Convert to fraction form
    125,227.20/172,813.14 = 67,868.19/x
  3. Step 3: Cross multiply
    125,227.20x = 172,813.14 × 67,868.19
  4. Step 4: Simplify right side
    125,227.20x = 11,728,515,020.02
  5. Step 5: Solve for x
    x = 11,728,515,020.02/125,227.20
  6. Step 6: Final answer
    x = 93,657.89

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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.