Home / 284,177.18-392,167.76-156,852.87

Finding the Fourth Proportional to 284,177.18, 392,167.76 and 156,852.87

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Solution

The fourth proportional to 284,177.18, 392,167.76 and 156,852.87 is: 216,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,177.18 : 392,167.76 = 156,852.87 : x
  2. Step 2: Convert to fraction form
    284,177.18/392,167.76 = 156,852.87/x
  3. Step 3: Cross multiply
    284,177.18x = 392,167.76 × 156,852.87
  4. Step 4: Simplify right side
    284,177.18x = 61,512,637,893.21
  5. Step 5: Solve for x
    x = 61,512,637,893.21/284,177.18
  6. Step 6: Final answer
    x = 216,458.76

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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.