Home / 240,725.20-332,200.17-138,749.83

Finding the Fourth Proportional to 240,725.20, 332,200.17 and 138,749.83

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Solution

The fourth proportional to 240,725.20, 332,200.17 and 138,749.83 is: 191,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,725.20 : 332,200.17 = 138,749.83 : x
  2. Step 2: Convert to fraction form
    240,725.20/332,200.17 = 138,749.83/x
  3. Step 3: Cross multiply
    240,725.20x = 332,200.17 × 138,749.83
  4. Step 4: Simplify right side
    240,725.20x = 46,092,717,569.06
  5. Step 5: Solve for x
    x = 46,092,717,569.06/240,725.20
  6. Step 6: Final answer
    x = 191,474.42

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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.