Home / 120,222.95-165,909.42-69,244.84

Finding the Fourth Proportional to 120,222.95, 165,909.42 and 69,244.84

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Solution

The fourth proportional to 120,222.95, 165,909.42 and 69,244.84 is: 95,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,222.95 : 165,909.42 = 69,244.84 : x
  2. Step 2: Convert to fraction form
    120,222.95/165,909.42 = 69,244.84/x
  3. Step 3: Cross multiply
    120,222.95x = 165,909.42 × 69,244.84
  4. Step 4: Simplify right side
    120,222.95x = 11,488,371,242.39
  5. Step 5: Solve for x
    x = 11,488,371,242.39/120,222.95
  6. Step 6: Final answer
    x = 95,558.89

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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.