Home / 284,165.93-392,121.07-156,833.33

Finding the Fourth Proportional to 284,165.93, 392,121.07 and 156,833.33

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Solution

The fourth proportional to 284,165.93, 392,121.07 and 156,833.33 is: 216,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,165.93 : 392,121.07 = 156,833.33 : x
  2. Step 2: Convert to fraction form
    284,165.93/392,121.07 = 156,833.33/x
  3. Step 3: Cross multiply
    284,165.93x = 392,121.07 × 156,833.33
  4. Step 4: Simplify right side
    284,165.93x = 61,497,650,818.57
  5. Step 5: Solve for x
    x = 61,497,650,818.57/284,165.93
  6. Step 6: Final answer
    x = 216,414.58

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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.