Home / 239,314.15-330,255.78-131,888.11

Finding the Fourth Proportional to 239,314.15, 330,255.78 and 131,888.11

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Solution

The fourth proportional to 239,314.15, 330,255.78 and 131,888.11 is: 182,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,314.15 : 330,255.78 = 131,888.11 : x
  2. Step 2: Convert to fraction form
    239,314.15/330,255.78 = 131,888.11/x
  3. Step 3: Cross multiply
    239,314.15x = 330,255.78 × 131,888.11
  4. Step 4: Simplify right side
    239,314.15x = 43,556,810,640.78
  5. Step 5: Solve for x
    x = 43,556,810,640.78/239,314.15
  6. Step 6: Final answer
    x = 182,006.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.