Home / 291,944.86-402,815.13-177,220.71

Finding the Fourth Proportional to 291,944.86, 402,815.13 and 177,220.71

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Solution

The fourth proportional to 291,944.86, 402,815.13 and 177,220.71 is: 244,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,944.86 : 402,815.13 = 177,220.71 : x
  2. Step 2: Convert to fraction form
    291,944.86/402,815.13 = 177,220.71/x
  3. Step 3: Cross multiply
    291,944.86x = 402,815.13 × 177,220.71
  4. Step 4: Simplify right side
    291,944.86x = 71,387,182,672.76
  5. Step 5: Solve for x
    x = 71,387,182,672.76/291,944.86
  6. Step 6: Final answer
    x = 244,522.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.