Home / 147,934.80-221,464.80-132,188.40

Finding the Fourth Proportional to 147,934.80, 221,464.80 and 132,188.40

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Solution

The fourth proportional to 147,934.80, 221,464.80 and 132,188.40 is: 197,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,934.80 : 221,464.80 = 132,188.40 : x
  2. Step 2: Convert to fraction form
    147,934.80/221,464.80 = 132,188.40/x
  3. Step 3: Cross multiply
    147,934.80x = 221,464.80 × 132,188.40
  4. Step 4: Simplify right side
    147,934.80x = 29,275,077,568.32
  5. Step 5: Solve for x
    x = 29,275,077,568.32/147,934.80
  6. Step 6: Final answer
    x = 197,891.76

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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.