Home / 107,154.12-160,766.91-71,272.04

Finding the Fourth Proportional to 107,154.12, 160,766.91 and 71,272.04

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Solution

The fourth proportional to 107,154.12, 160,766.91 and 71,272.04 is: 106,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,154.12 : 160,766.91 = 71,272.04 : x
  2. Step 2: Convert to fraction form
    107,154.12/160,766.91 = 71,272.04/x
  3. Step 3: Cross multiply
    107,154.12x = 160,766.91 × 71,272.04
  4. Step 4: Simplify right side
    107,154.12x = 11,458,185,433.77
  5. Step 5: Solve for x
    x = 11,458,185,433.77/107,154.12
  6. Step 6: Final answer
    x = 106,931.82

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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.