Home / 261,184.68-391,407.48-111,274.02

Finding the Fourth Proportional to 261,184.68, 391,407.48 and 111,274.02

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Solution

The fourth proportional to 261,184.68, 391,407.48 and 111,274.02 is: 166,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,184.68 : 391,407.48 = 111,274.02 : x
  2. Step 2: Convert to fraction form
    261,184.68/391,407.48 = 111,274.02/x
  3. Step 3: Cross multiply
    261,184.68x = 391,407.48 × 111,274.02
  4. Step 4: Simplify right side
    261,184.68x = 43,553,483,757.67
  5. Step 5: Solve for x
    x = 43,553,483,757.67/261,184.68
  6. Step 6: Final answer
    x = 166,753.59

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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.