Home / 141,882.10-212,956.02-71,810.62

Finding the Fourth Proportional to 141,882.10, 212,956.02 and 71,810.62

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Solution

The fourth proportional to 141,882.10, 212,956.02 and 71,810.62 is: 107,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,882.10 : 212,956.02 = 71,810.62 : x
  2. Step 2: Convert to fraction form
    141,882.10/212,956.02 = 71,810.62/x
  3. Step 3: Cross multiply
    141,882.10x = 212,956.02 × 71,810.62
  4. Step 4: Simplify right side
    141,882.10x = 15,292,503,296.54
  5. Step 5: Solve for x
    x = 15,292,503,296.54/141,882.10
  6. Step 6: Final answer
    x = 107,783.18

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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.