Home / 284,529.97-392,667.11-157,202.83

Finding the Fourth Proportional to 284,529.97, 392,667.11 and 157,202.83

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Solution

The fourth proportional to 284,529.97, 392,667.11 and 157,202.83 is: 216,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,529.97 : 392,667.11 = 157,202.83 : x
  2. Step 2: Convert to fraction form
    284,529.97/392,667.11 = 157,202.83/x
  3. Step 3: Cross multiply
    284,529.97x = 392,667.11 × 157,202.83
  4. Step 4: Simplify right side
    284,529.97x = 61,728,380,939.92
  5. Step 5: Solve for x
    x = 61,728,380,939.92/284,529.97
  6. Step 6: Final answer
    x = 216,948.61

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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.