Home / 141,802.20-212,444.10-115,363.80

Finding the Fourth Proportional to 141,802.20, 212,444.10 and 115,363.80

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Solution

The fourth proportional to 141,802.20, 212,444.10 and 115,363.80 is: 172,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,802.20 : 212,444.10 = 115,363.80 : x
  2. Step 2: Convert to fraction form
    141,802.20/212,444.10 = 115,363.80/x
  3. Step 3: Cross multiply
    141,802.20x = 212,444.10 × 115,363.80
  4. Step 4: Simplify right side
    141,802.20x = 24,508,358,663.58
  5. Step 5: Solve for x
    x = 24,508,358,663.58/141,802.20
  6. Step 6: Final answer
    x = 172,834.83

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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.