Home / 284,466.20-392,575.25-163,607.57

Finding the Fourth Proportional to 284,466.20, 392,575.25 and 163,607.57

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Solution

The fourth proportional to 284,466.20, 392,575.25 and 163,607.57 is: 225,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,466.20 : 392,575.25 = 163,607.57 : x
  2. Step 2: Convert to fraction form
    284,466.20/392,575.25 = 163,607.57/x
  3. Step 3: Cross multiply
    284,466.20x = 392,575.25 × 163,607.57
  4. Step 4: Simplify right side
    284,466.20x = 64,228,279,913.73
  5. Step 5: Solve for x
    x = 64,228,279,913.73/284,466.20
  6. Step 6: Final answer
    x = 225,785.28

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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.