Home / 261,037.59-391,445.66-92,600.31

Finding the Fourth Proportional to 261,037.59, 391,445.66 and 92,600.31

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Solution

The fourth proportional to 261,037.59, 391,445.66 and 92,600.31 is: 138,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,037.59 : 391,445.66 = 92,600.31 : x
  2. Step 2: Convert to fraction form
    261,037.59/391,445.66 = 92,600.31/x
  3. Step 3: Cross multiply
    261,037.59x = 391,445.66 × 92,600.31
  4. Step 4: Simplify right side
    261,037.59x = 36,247,991,163.58
  5. Step 5: Solve for x
    x = 36,247,991,163.58/261,037.59
  6. Step 6: Final answer
    x = 138,861.19

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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.