Home / 123,216.24-170,034.60-69,500.48

Finding the Fourth Proportional to 123,216.24, 170,034.60 and 69,500.48

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Solution

The fourth proportional to 123,216.24, 170,034.60 and 69,500.48 is: 95,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,216.24 : 170,034.60 = 69,500.48 : x
  2. Step 2: Convert to fraction form
    123,216.24/170,034.60 = 69,500.48/x
  3. Step 3: Cross multiply
    123,216.24x = 170,034.60 × 69,500.48
  4. Step 4: Simplify right side
    123,216.24x = 11,817,486,316.61
  5. Step 5: Solve for x
    x = 11,817,486,316.61/123,216.24
  6. Step 6: Final answer
    x = 95,908.51

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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.