Home / 156,616.15-234,760.20-61,809.70

Finding the Fourth Proportional to 156,616.15, 234,760.20 and 61,809.70

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Solution

The fourth proportional to 156,616.15, 234,760.20 and 61,809.70 is: 92,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616.15 : 234,760.20 = 61,809.70 : x
  2. Step 2: Convert to fraction form
    156,616.15/234,760.20 = 61,809.70/x
  3. Step 3: Cross multiply
    156,616.15x = 234,760.20 × 61,809.70
  4. Step 4: Simplify right side
    156,616.15x = 14,510,457,533.94
  5. Step 5: Solve for x
    x = 14,510,457,533.94/156,616.15
  6. Step 6: Final answer
    x = 92,649.82

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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.