Home / 144,639.20-216,926.40-95,067.20

Finding the Fourth Proportional to 144,639.20, 216,926.40 and 95,067.20

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Solution

The fourth proportional to 144,639.20, 216,926.40 and 95,067.20 is: 142,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,639.20 : 216,926.40 = 95,067.20 : x
  2. Step 2: Convert to fraction form
    144,639.20/216,926.40 = 95,067.20/x
  3. Step 3: Cross multiply
    144,639.20x = 216,926.40 × 95,067.20
  4. Step 4: Simplify right side
    144,639.20x = 20,622,585,454.08
  5. Step 5: Solve for x
    x = 20,622,585,454.08/144,639.20
  6. Step 6: Final answer
    x = 142,579.50

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1.5x scale

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.