Home / 119,750.38-165,266.66-68,770.20

Finding the Fourth Proportional to 119,750.38, 165,266.66 and 68,770.20

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Solution

The fourth proportional to 119,750.38, 165,266.66 and 68,770.20 is: 94,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,750.38 : 165,266.66 = 68,770.20 : x
  2. Step 2: Convert to fraction form
    119,750.38/165,266.66 = 68,770.20/x
  3. Step 3: Cross multiply
    119,750.38x = 165,266.66 × 68,770.20
  4. Step 4: Simplify right side
    119,750.38x = 11,365,421,261.53
  5. Step 5: Solve for x
    x = 11,365,421,261.53/119,750.38
  6. Step 6: Final answer
    x = 94,909.27

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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.