Home / 156,951.05-216,587.99-85,329.41

Finding the Fourth Proportional to 156,951.05, 216,587.99 and 85,329.41

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Solution

The fourth proportional to 156,951.05, 216,587.99 and 85,329.41 is: 117,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.05 : 216,587.99 = 85,329.41 : x
  2. Step 2: Convert to fraction form
    156,951.05/216,587.99 = 85,329.41/x
  3. Step 3: Cross multiply
    156,951.05x = 216,587.99 × 85,329.41
  4. Step 4: Simplify right side
    156,951.05x = 18,481,324,530.17
  5. Step 5: Solve for x
    x = 18,481,324,530.17/156,951.05
  6. Step 6: Final answer
    x = 117,752.16

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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.