Home / 122,141.10-168,565.08-68,425.38

Finding the Fourth Proportional to 122,141.10, 168,565.08 and 68,425.38

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Solution

The fourth proportional to 122,141.10, 168,565.08 and 68,425.38 is: 94,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,141.10 : 168,565.08 = 68,425.38 : x
  2. Step 2: Convert to fraction form
    122,141.10/168,565.08 = 68,425.38/x
  3. Step 3: Cross multiply
    122,141.10x = 168,565.08 × 68,425.38
  4. Step 4: Simplify right side
    122,141.10x = 11,534,129,653.73
  5. Step 5: Solve for x
    x = 11,534,129,653.73/122,141.10
  6. Step 6: Final answer
    x = 94,432.83

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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.