Home / 141,841.72-212,763.28-42,003.80

Finding the Fourth Proportional to 141,841.72, 212,763.28 and 42,003.80

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Solution

The fourth proportional to 141,841.72, 212,763.28 and 42,003.80 is: 63,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,841.72 : 212,763.28 = 42,003.80 : x
  2. Step 2: Convert to fraction form
    141,841.72/212,763.28 = 42,003.80/x
  3. Step 3: Cross multiply
    141,841.72x = 212,763.28 × 42,003.80
  4. Step 4: Simplify right side
    141,841.72x = 8,936,866,260.46
  5. Step 5: Solve for x
    x = 8,936,866,260.46/141,841.72
  6. Step 6: Final answer
    x = 63,005.91

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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.