Home / 156,743.15-216,324.02-93,080.95

Finding the Fourth Proportional to 156,743.15, 216,324.02 and 93,080.95

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Solution

The fourth proportional to 156,743.15, 216,324.02 and 93,080.95 is: 128,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.15 : 216,324.02 = 93,080.95 : x
  2. Step 2: Convert to fraction form
    156,743.15/216,324.02 = 93,080.95/x
  3. Step 3: Cross multiply
    156,743.15x = 216,324.02 × 93,080.95
  4. Step 4: Simplify right side
    156,743.15x = 20,135,645,289.42
  5. Step 5: Solve for x
    x = 20,135,645,289.42/156,743.15
  6. Step 6: Final answer
    x = 128,462.68

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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.