Home / 159,815.02-239,706.09-100,470.79

Finding the Fourth Proportional to 159,815.02, 239,706.09 and 100,470.79

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Solution

The fourth proportional to 159,815.02, 239,706.09 and 100,470.79 is: 150,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.02 : 239,706.09 = 100,470.79 : x
  2. Step 2: Convert to fraction form
    159,815.02/239,706.09 = 100,470.79/x
  3. Step 3: Cross multiply
    159,815.02x = 239,706.09 × 100,470.79
  4. Step 4: Simplify right side
    159,815.02x = 24,083,460,230.11
  5. Step 5: Solve for x
    x = 24,083,460,230.11/159,815.02
  6. Step 6: Final answer
    x = 150,695.85

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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.