Home / 284,188.20-392,177.58-156,863.76

Finding the Fourth Proportional to 284,188.20, 392,177.58 and 156,863.76

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Solution

The fourth proportional to 284,188.20, 392,177.58 and 156,863.76 is: 216,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,188.20 : 392,177.58 = 156,863.76 : x
  2. Step 2: Convert to fraction form
    284,188.20/392,177.58 = 156,863.76/x
  3. Step 3: Cross multiply
    284,188.20x = 392,177.58 × 156,863.76
  4. Step 4: Simplify right side
    284,188.20x = 61,518,449,786.50
  5. Step 5: Solve for x
    x = 61,518,449,786.50/284,188.20
  6. Step 6: Final answer
    x = 216,470.81

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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.