Home / 156,851.91-216,474.27-93,189.96

Finding the Fourth Proportional to 156,851.91, 216,474.27 and 93,189.96

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Solution

The fourth proportional to 156,851.91, 216,474.27 and 93,189.96 is: 128,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,851.91 : 216,474.27 = 93,189.96 : x
  2. Step 2: Convert to fraction form
    156,851.91/216,474.27 = 93,189.96/x
  3. Step 3: Cross multiply
    156,851.91x = 216,474.27 × 93,189.96
  4. Step 4: Simplify right side
    156,851.91x = 20,173,228,562.33
  5. Step 5: Solve for x
    x = 20,173,228,562.33/156,851.91
  6. Step 6: Final answer
    x = 128,613.22

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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.