Home / 284,531.90-392,661.94-157,215.70

Finding the Fourth Proportional to 284,531.90, 392,661.94 and 157,215.70

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Solution

The fourth proportional to 284,531.90, 392,661.94 and 157,215.70 is: 216,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,531.90 : 392,661.94 = 157,215.70 : x
  2. Step 2: Convert to fraction form
    284,531.90/392,661.94 = 157,215.70/x
  3. Step 3: Cross multiply
    284,531.90x = 392,661.94 × 157,215.70
  4. Step 4: Simplify right side
    284,531.90x = 61,732,621,760.46
  5. Step 5: Solve for x
    x = 61,732,621,760.46/284,531.90
  6. Step 6: Final answer
    x = 216,962.04

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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.