Home / 120,590.52-180,882.96-31,850.22

Finding the Fourth Proportional to 120,590.52, 180,882.96 and 31,850.22

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Solution

The fourth proportional to 120,590.52, 180,882.96 and 31,850.22 is: 47,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,590.52 : 180,882.96 = 31,850.22 : x
  2. Step 2: Convert to fraction form
    120,590.52/180,882.96 = 31,850.22/x
  3. Step 3: Cross multiply
    120,590.52x = 180,882.96 × 31,850.22
  4. Step 4: Simplify right side
    120,590.52x = 5,761,162,070.25
  5. Step 5: Solve for x
    x = 5,761,162,070.25/120,590.52
  6. Step 6: Final answer
    x = 47,774.59

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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.