Home / 261,837.70-391,849.35-156,732.10

Finding the Fourth Proportional to 261,837.70, 391,849.35 and 156,732.10

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Solution

The fourth proportional to 261,837.70, 391,849.35 and 156,732.10 is: 234,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,837.70 : 391,849.35 = 156,732.10 : x
  2. Step 2: Convert to fraction form
    261,837.70/391,849.35 = 156,732.10/x
  3. Step 3: Cross multiply
    261,837.70x = 391,849.35 × 156,732.10
  4. Step 4: Simplify right side
    261,837.70x = 61,415,371,509.14
  5. Step 5: Solve for x
    x = 61,415,371,509.14/261,837.70
  6. Step 6: Final answer
    x = 234,555.11

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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.