Home / 284,636.23-392,822.66-157,336.43

Finding the Fourth Proportional to 284,636.23, 392,822.66 and 157,336.43

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Solution

The fourth proportional to 284,636.23, 392,822.66 and 157,336.43 is: 217,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,636.23 : 392,822.66 = 157,336.43 : x
  2. Step 2: Convert to fraction form
    284,636.23/392,822.66 = 157,336.43/x
  3. Step 3: Cross multiply
    284,636.23x = 392,822.66 × 157,336.43
  4. Step 4: Simplify right side
    284,636.23x = 61,805,313,376.73
  5. Step 5: Solve for x
    x = 61,805,313,376.73/284,636.23
  6. Step 6: Final answer
    x = 217,137.90

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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.