Home / 120,304.44-165,981.96-69,993.72

Finding the Fourth Proportional to 120,304.44, 165,981.96 and 69,993.72

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Solution

The fourth proportional to 120,304.44, 165,981.96 and 69,993.72 is: 96,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.44 : 165,981.96 = 69,993.72 : x
  2. Step 2: Convert to fraction form
    120,304.44/165,981.96 = 69,993.72/x
  3. Step 3: Cross multiply
    120,304.44x = 165,981.96 × 69,993.72
  4. Step 4: Simplify right side
    120,304.44x = 11,617,694,833.29
  5. Step 5: Solve for x
    x = 11,617,694,833.29/120,304.44
  6. Step 6: Final answer
    x = 96,569.13

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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.