Home / 141,843.22-212,765.52-42,005.30

Finding the Fourth Proportional to 141,843.22, 212,765.52 and 42,005.30

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Solution

The fourth proportional to 141,843.22, 212,765.52 and 42,005.30 is: 63,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,843.22 : 212,765.52 = 42,005.30 : x
  2. Step 2: Convert to fraction form
    141,843.22/212,765.52 = 42,005.30/x
  3. Step 3: Cross multiply
    141,843.22x = 212,765.52 × 42,005.30
  4. Step 4: Simplify right side
    141,843.22x = 8,937,279,497.26
  5. Step 5: Solve for x
    x = 8,937,279,497.26/141,843.22
  6. Step 6: Final answer
    x = 63,008.15

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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.