Home / 123,519.26-170,452.14-69,803.10

Finding the Fourth Proportional to 123,519.26, 170,452.14 and 69,803.10

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Solution

The fourth proportional to 123,519.26, 170,452.14 and 69,803.10 is: 96,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,519.26 : 170,452.14 = 69,803.10 : x
  2. Step 2: Convert to fraction form
    123,519.26/170,452.14 = 69,803.10/x
  3. Step 3: Cross multiply
    123,519.26x = 170,452.14 × 69,803.10
  4. Step 4: Simplify right side
    123,519.26x = 11,898,087,773.63
  5. Step 5: Solve for x
    x = 11,898,087,773.63/123,519.26
  6. Step 6: Final answer
    x = 96,325.77

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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.