Home / 123,464.13-170,387.78-69,747.76

Finding the Fourth Proportional to 123,464.13, 170,387.78 and 69,747.76

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Solution

The fourth proportional to 123,464.13, 170,387.78 and 69,747.76 is: 96,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,464.13 : 170,387.78 = 69,747.76 : x
  2. Step 2: Convert to fraction form
    123,464.13/170,387.78 = 69,747.76/x
  3. Step 3: Cross multiply
    123,464.13x = 170,387.78 × 69,747.76
  4. Step 4: Simplify right side
    123,464.13x = 11,884,165,986.37
  5. Step 5: Solve for x
    x = 11,884,165,986.37/123,464.13
  6. Step 6: Final answer
    x = 96,256.02

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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.