Home / 123,349.05-170,225.82-75,593.18

Finding the Fourth Proportional to 123,349.05, 170,225.82 and 75,593.18

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Solution

The fourth proportional to 123,349.05, 170,225.82 and 75,593.18 is: 104,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,349.05 : 170,225.82 = 75,593.18 : x
  2. Step 2: Convert to fraction form
    123,349.05/170,225.82 = 75,593.18/x
  3. Step 3: Cross multiply
    123,349.05x = 170,225.82 × 75,593.18
  4. Step 4: Simplify right side
    123,349.05x = 12,867,910,626.34
  5. Step 5: Solve for x
    x = 12,867,910,626.34/123,349.05
  6. Step 6: Final answer
    x = 104,321.11

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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.