Home / 284,158.08-392,150.88-163,338.24

Finding the Fourth Proportional to 284,158.08, 392,150.88 and 163,338.24

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Solution

The fourth proportional to 284,158.08, 392,150.88 and 163,338.24 is: 225,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,158.08 : 392,150.88 = 163,338.24 : x
  2. Step 2: Convert to fraction form
    284,158.08/392,150.88 = 163,338.24/x
  3. Step 3: Cross multiply
    284,158.08x = 392,150.88 × 163,338.24
  4. Step 4: Simplify right side
    284,158.08x = 64,053,234,553.65
  5. Step 5: Solve for x
    x = 64,053,234,553.65/284,158.08
  6. Step 6: Final answer
    x = 225,414.09

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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.