Home / 123,421.14-185,132.31-29,926.86

Finding the Fourth Proportional to 123,421.14, 185,132.31 and 29,926.86

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Solution

The fourth proportional to 123,421.14, 185,132.31 and 29,926.86 is: 44,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,421.14 : 185,132.31 = 29,926.86 : x
  2. Step 2: Convert to fraction form
    123,421.14/185,132.31 = 29,926.86/x
  3. Step 3: Cross multiply
    123,421.14x = 185,132.31 × 29,926.86
  4. Step 4: Simplify right side
    123,421.14x = 5,540,428,722.85
  5. Step 5: Solve for x
    x = 5,540,428,722.85/123,421.14
  6. Step 6: Final answer
    x = 44,890.44

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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.