Home / 284,554.92-392,685.66-157,229.40

Finding the Fourth Proportional to 284,554.92, 392,685.66 and 157,229.40

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Solution

The fourth proportional to 284,554.92, 392,685.66 and 157,229.40 is: 216,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,554.92 : 392,685.66 = 157,229.40 : x
  2. Step 2: Convert to fraction form
    284,554.92/392,685.66 = 157,229.40/x
  3. Step 3: Cross multiply
    284,554.92x = 392,685.66 × 157,229.40
  4. Step 4: Simplify right side
    284,554.92x = 61,741,730,710.40
  5. Step 5: Solve for x
    x = 61,741,730,710.40/284,554.92
  6. Step 6: Final answer
    x = 216,976.50

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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.