Home / 261,046.85-391,570.28-181,330.70

Finding the Fourth Proportional to 261,046.85, 391,570.28 and 181,330.70

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Solution

The fourth proportional to 261,046.85, 391,570.28 and 181,330.70 is: 271,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,046.85 : 391,570.28 = 181,330.70 : x
  2. Step 2: Convert to fraction form
    261,046.85/391,570.28 = 181,330.70/x
  3. Step 3: Cross multiply
    261,046.85x = 391,570.28 × 181,330.70
  4. Step 4: Simplify right side
    261,046.85x = 71,003,712,064.94
  5. Step 5: Solve for x
    x = 71,003,712,064.94/261,046.85
  6. Step 6: Final answer
    x = 271,996.05

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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.