Home / 284,508.14-392,629.20-157,191.98

Finding the Fourth Proportional to 284,508.14, 392,629.20 and 157,191.98

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Solution

The fourth proportional to 284,508.14, 392,629.20 and 157,191.98 is: 216,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,508.14 : 392,629.20 = 157,191.98 : x
  2. Step 2: Convert to fraction form
    284,508.14/392,629.20 = 157,191.98/x
  3. Step 3: Cross multiply
    284,508.14x = 392,629.20 × 157,191.98
  4. Step 4: Simplify right side
    284,508.14x = 61,718,161,353.82
  5. Step 5: Solve for x
    x = 61,718,161,353.82/284,508.14
  6. Step 6: Final answer
    x = 216,929.33

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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.