Home / 261,079.48-391,590.06-92,585.71

Finding the Fourth Proportional to 261,079.48, 391,590.06 and 92,585.71

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Solution

The fourth proportional to 261,079.48, 391,590.06 and 92,585.71 is: 138,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,079.48 : 391,590.06 = 92,585.71 : x
  2. Step 2: Convert to fraction form
    261,079.48/391,590.06 = 92,585.71/x
  3. Step 3: Cross multiply
    261,079.48x = 391,590.06 × 92,585.71
  4. Step 4: Simplify right side
    261,079.48x = 36,255,643,734.04
  5. Step 5: Solve for x
    x = 36,255,643,734.04/261,079.48
  6. Step 6: Final answer
    x = 138,868.22

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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.