Home / 120,304.94-165,982.65-69,994.22

Finding the Fourth Proportional to 120,304.94, 165,982.65 and 69,994.22

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Solution

The fourth proportional to 120,304.94, 165,982.65 and 69,994.22 is: 96,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.94 : 165,982.65 = 69,994.22 : x
  2. Step 2: Convert to fraction form
    120,304.94/165,982.65 = 69,994.22/x
  3. Step 3: Cross multiply
    120,304.94x = 165,982.65 × 69,994.22
  4. Step 4: Simplify right side
    120,304.94x = 11,617,826,120.28
  5. Step 5: Solve for x
    x = 11,617,826,120.28/120,304.94
  6. Step 6: Final answer
    x = 96,569.82

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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.