Home / 225,454.12-338,237.34-67,685.48

Finding the Fourth Proportional to 225,454.12, 338,237.34 and 67,685.48

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Solution

The fourth proportional to 225,454.12, 338,237.34 and 67,685.48 is: 101,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,454.12 : 338,237.34 = 67,685.48 : x
  2. Step 2: Convert to fraction form
    225,454.12/338,237.34 = 67,685.48/x
  3. Step 3: Cross multiply
    225,454.12x = 338,237.34 × 67,685.48
  4. Step 4: Simplify right side
    225,454.12x = 22,893,756,711.82
  5. Step 5: Solve for x
    x = 22,893,756,711.82/225,454.12
  6. Step 6: Final answer
    x = 101,545.08

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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.