Home / 261,167.29-391,800.11-186,101.22

Finding the Fourth Proportional to 261,167.29, 391,800.11 and 186,101.22

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Solution

The fourth proportional to 261,167.29, 391,800.11 and 186,101.22 is: 279,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,167.29 : 391,800.11 = 186,101.22 : x
  2. Step 2: Convert to fraction form
    261,167.29/391,800.11 = 186,101.22/x
  3. Step 3: Cross multiply
    261,167.29x = 391,800.11 × 186,101.22
  4. Step 4: Simplify right side
    261,167.29x = 72,914,478,467.13
  5. Step 5: Solve for x
    x = 72,914,478,467.13/261,167.29
  6. Step 6: Final answer
    x = 279,186.87

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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.