Home / 205,937.04-309,011.49-156,000.54

Finding the Fourth Proportional to 205,937.04, 309,011.49 and 156,000.54

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Solution

The fourth proportional to 205,937.04, 309,011.49 and 156,000.54 is: 234,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,937.04 : 309,011.49 = 156,000.54 : x
  2. Step 2: Convert to fraction form
    205,937.04/309,011.49 = 156,000.54/x
  3. Step 3: Cross multiply
    205,937.04x = 309,011.49 × 156,000.54
  4. Step 4: Simplify right side
    205,937.04x = 48,205,959,306.20
  5. Step 5: Solve for x
    x = 48,205,959,306.20/205,937.04
  6. Step 6: Final answer
    x = 234,081.05

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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.