Home / 156,333.78-234,361.53-56,471.70

Finding the Fourth Proportional to 156,333.78, 234,361.53 and 56,471.70

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Solution

The fourth proportional to 156,333.78, 234,361.53 and 56,471.70 is: 84,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,333.78 : 234,361.53 = 56,471.70 : x
  2. Step 2: Convert to fraction form
    156,333.78/234,361.53 = 56,471.70/x
  3. Step 3: Cross multiply
    156,333.78x = 234,361.53 × 56,471.70
  4. Step 4: Simplify right side
    156,333.78x = 13,234,794,013.70
  5. Step 5: Solve for x
    x = 13,234,794,013.70/156,333.78
  6. Step 6: Final answer
    x = 84,657.29

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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.