Home / 261,257.61-391,688.97-134,842.93

Finding the Fourth Proportional to 261,257.61, 391,688.97 and 134,842.93

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Solution

The fourth proportional to 261,257.61, 391,688.97 and 134,842.93 is: 202,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,257.61 : 391,688.97 = 134,842.93 : x
  2. Step 2: Convert to fraction form
    261,257.61/391,688.97 = 134,842.93/x
  3. Step 3: Cross multiply
    261,257.61x = 391,688.97 × 134,842.93
  4. Step 4: Simplify right side
    261,257.61x = 52,816,488,363.48
  5. Step 5: Solve for x
    x = 52,816,488,363.48/261,257.61
  6. Step 6: Final answer
    x = 202,162.49

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1.5x scale

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.