Home / 156,837.38-235,123.82-68,024

Finding the Fourth Proportional to 156,837.38, 235,123.82 and 68,024

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Solution

The fourth proportional to 156,837.38, 235,123.82 and 68,024 is: 101,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,837.38 : 235,123.82 = 68,024 : x
  2. Step 2: Convert to fraction form
    156,837.38/235,123.82 = 68,024/x
  3. Step 3: Cross multiply
    156,837.38x = 235,123.82 × 68,024
  4. Step 4: Simplify right side
    156,837.38x = 15,994,062,731.68
  5. Step 5: Solve for x
    x = 15,994,062,731.68/156,837.38
  6. Step 6: Final answer
    x = 101,978.64

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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.