Home / 159,740.78-239,521.24-53,067.62

Finding the Fourth Proportional to 159,740.78, 239,521.24 and 53,067.62

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Solution

The fourth proportional to 159,740.78, 239,521.24 and 53,067.62 is: 79,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,740.78 : 239,521.24 = 53,067.62 : x
  2. Step 2: Convert to fraction form
    159,740.78/239,521.24 = 53,067.62/x
  3. Step 3: Cross multiply
    159,740.78x = 239,521.24 × 53,067.62
  4. Step 4: Simplify right side
    159,740.78x = 12,710,822,146.25
  5. Step 5: Solve for x
    x = 12,710,822,146.25/159,740.78
  6. Step 6: Final answer
    x = 79,571.55

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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.