Home / 156,621.87-234,880.16-56,761.16

Finding the Fourth Proportional to 156,621.87, 234,880.16 and 56,761.16

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Solution

The fourth proportional to 156,621.87, 234,880.16 and 56,761.16 is: 85,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621.87 : 234,880.16 = 56,761.16 : x
  2. Step 2: Convert to fraction form
    156,621.87/234,880.16 = 56,761.16/x
  3. Step 3: Cross multiply
    156,621.87x = 234,880.16 × 56,761.16
  4. Step 4: Simplify right side
    156,621.87x = 13,332,068,884.38
  5. Step 5: Solve for x
    x = 13,332,068,884.38/156,621.87
  6. Step 6: Final answer
    x = 85,122.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.