Home / 159,372.18-239,205.96-80,541.90

Finding the Fourth Proportional to 159,372.18, 239,205.96 and 80,541.90

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Solution

The fourth proportional to 159,372.18, 239,205.96 and 80,541.90 is: 120,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,372.18 : 239,205.96 = 80,541.90 : x
  2. Step 2: Convert to fraction form
    159,372.18/239,205.96 = 80,541.90/x
  3. Step 3: Cross multiply
    159,372.18x = 239,205.96 × 80,541.90
  4. Step 4: Simplify right side
    159,372.18x = 19,266,102,509.72
  5. Step 5: Solve for x
    x = 19,266,102,509.72/159,372.18
  6. Step 6: Final answer
    x = 120,887.49

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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.