Home / 119,830.85-165,381.22-68,843.49

Finding the Fourth Proportional to 119,830.85, 165,381.22 and 68,843.49

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Solution

The fourth proportional to 119,830.85, 165,381.22 and 68,843.49 is: 95,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.85 : 165,381.22 = 68,843.49 : x
  2. Step 2: Convert to fraction form
    119,830.85/165,381.22 = 68,843.49/x
  3. Step 3: Cross multiply
    119,830.85x = 165,381.22 × 68,843.49
  4. Step 4: Simplify right side
    119,830.85x = 11,385,420,365.26
  5. Step 5: Solve for x
    x = 11,385,420,365.26/119,830.85
  6. Step 6: Final answer
    x = 95,012.43

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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.