Home / 123,349.18-170,225.99-75,593.30

Finding the Fourth Proportional to 123,349.18, 170,225.99 and 75,593.30

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Solution

The fourth proportional to 123,349.18, 170,225.99 and 75,593.30 is: 104,321.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,349.18 : 170,225.99 = 75,593.30 : x
  2. Step 2: Convert to fraction form
    123,349.18/170,225.99 = 75,593.30/x
  3. Step 3: Cross multiply
    123,349.18x = 170,225.99 × 75,593.30
  4. Step 4: Simplify right side
    123,349.18x = 12,867,944,944.42
  5. Step 5: Solve for x
    x = 12,867,944,944.42/123,349.18
  6. Step 6: Final answer
    x = 104,321.29

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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.