Home / 159,264.18-239,043.96-80,433.72

Finding the Fourth Proportional to 159,264.18, 239,043.96 and 80,433.72

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Solution

The fourth proportional to 159,264.18, 239,043.96 and 80,433.72 is: 120,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,264.18 : 239,043.96 = 80,433.72 : x
  2. Step 2: Convert to fraction form
    159,264.18/239,043.96 = 80,433.72/x
  3. Step 3: Cross multiply
    159,264.18x = 239,043.96 × 80,433.72
  4. Step 4: Simplify right side
    159,264.18x = 19,227,194,946.33
  5. Step 5: Solve for x
    x = 19,227,194,946.33/159,264.18
  6. Step 6: Final answer
    x = 120,725.17

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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.