Home / 159,138.24-238,246.56-119,860.80

Finding the Fourth Proportional to 159,138.24, 238,246.56 and 119,860.80

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Solution

The fourth proportional to 159,138.24, 238,246.56 and 119,860.80 is: 179,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,138.24 : 238,246.56 = 119,860.80 : x
  2. Step 2: Convert to fraction form
    159,138.24/238,246.56 = 119,860.80/x
  3. Step 3: Cross multiply
    159,138.24x = 238,246.56 × 119,860.80
  4. Step 4: Simplify right side
    159,138.24x = 28,556,423,278.85
  5. Step 5: Solve for x
    x = 28,556,423,278.85/159,138.24
  6. Step 6: Final answer
    x = 179,444.13

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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.