Home / 284,680.31-392,825.09-157,333.73

Finding the Fourth Proportional to 284,680.31, 392,825.09 and 157,333.73

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Solution

The fourth proportional to 284,680.31, 392,825.09 and 157,333.73 is: 217,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,680.31 : 392,825.09 = 157,333.73 : x
  2. Step 2: Convert to fraction form
    284,680.31/392,825.09 = 157,333.73/x
  3. Step 3: Cross multiply
    284,680.31x = 392,825.09 × 157,333.73
  4. Step 4: Simplify right side
    284,680.31x = 61,804,635,076.49
  5. Step 5: Solve for x
    x = 61,804,635,076.49/284,680.31
  6. Step 6: Final answer
    x = 217,101.90

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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.