Home / 156,621.12-216,099.71-95,366.59

Finding the Fourth Proportional to 156,621.12, 216,099.71 and 95,366.59

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Solution

The fourth proportional to 156,621.12, 216,099.71 and 95,366.59 is: 131,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621.12 : 216,099.71 = 95,366.59 : x
  2. Step 2: Convert to fraction form
    156,621.12/216,099.71 = 95,366.59/x
  3. Step 3: Cross multiply
    156,621.12x = 216,099.71 × 95,366.59
  4. Step 4: Simplify right side
    156,621.12x = 20,608,691,965.86
  5. Step 5: Solve for x
    x = 20,608,691,965.86/156,621.12
  6. Step 6: Final answer
    x = 131,583.10

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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.