Home / 239,811.13-330,941.69-132,378.85

Finding the Fourth Proportional to 239,811.13, 330,941.69 and 132,378.85

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Solution

The fourth proportional to 239,811.13, 330,941.69 and 132,378.85 is: 182,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,811.13 : 330,941.69 = 132,378.85 : x
  2. Step 2: Convert to fraction form
    239,811.13/330,941.69 = 132,378.85/x
  3. Step 3: Cross multiply
    239,811.13x = 330,941.69 × 132,378.85
  4. Step 4: Simplify right side
    239,811.13x = 43,809,680,339.26
  5. Step 5: Solve for x
    x = 43,809,680,339.26/239,811.13
  6. Step 6: Final answer
    x = 182,684.10

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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.