Home / 112,432.40-168,658.20-38,560.40

Finding the Fourth Proportional to 112,432.40, 168,658.20 and 38,560.40

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Solution

The fourth proportional to 112,432.40, 168,658.20 and 38,560.40 is: 57,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,432.40 : 168,658.20 = 38,560.40 : x
  2. Step 2: Convert to fraction form
    112,432.40/168,658.20 = 38,560.40/x
  3. Step 3: Cross multiply
    112,432.40x = 168,658.20 × 38,560.40
  4. Step 4: Simplify right side
    112,432.40x = 6,503,527,655.28
  5. Step 5: Solve for x
    x = 6,503,527,655.28/112,432.40
  6. Step 6: Final answer
    x = 57,843.89

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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.