Home / 141,966.60-212,949.90-106,537.20

Finding the Fourth Proportional to 141,966.60, 212,949.90 and 106,537.20

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Solution

The fourth proportional to 141,966.60, 212,949.90 and 106,537.20 is: 159,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.60 : 212,949.90 = 106,537.20 : x
  2. Step 2: Convert to fraction form
    141,966.60/212,949.90 = 106,537.20/x
  3. Step 3: Cross multiply
    141,966.60x = 212,949.90 × 106,537.20
  4. Step 4: Simplify right side
    141,966.60x = 22,687,086,086.28
  5. Step 5: Solve for x
    x = 22,687,086,086.28/141,966.60
  6. Step 6: Final answer
    x = 159,805.80

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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.