Home / 261,011.55-391,517.33-247,533.15

Finding the Fourth Proportional to 261,011.55, 391,517.33 and 247,533.15

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Solution

The fourth proportional to 261,011.55, 391,517.33 and 247,533.15 is: 371,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,011.55 : 391,517.33 = 247,533.15 : x
  2. Step 2: Convert to fraction form
    261,011.55/391,517.33 = 247,533.15/x
  3. Step 3: Cross multiply
    261,011.55x = 391,517.33 × 247,533.15
  4. Step 4: Simplify right side
    261,011.55x = 96,913,516,736.82
  5. Step 5: Solve for x
    x = 96,913,516,736.82/261,011.55
  6. Step 6: Final answer
    x = 371,299.73

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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.