Home / 123,444.23-170,363.53-69,739.10

Finding the Fourth Proportional to 123,444.23, 170,363.53 and 69,739.10

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Solution

The fourth proportional to 123,444.23, 170,363.53 and 69,739.10 is: 96,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.23 : 170,363.53 = 69,739.10 : x
  2. Step 2: Convert to fraction form
    123,444.23/170,363.53 = 69,739.10/x
  3. Step 3: Cross multiply
    123,444.23x = 170,363.53 × 69,739.10
  4. Step 4: Simplify right side
    123,444.23x = 11,880,998,906.33
  5. Step 5: Solve for x
    x = 11,880,998,906.33/123,444.23
  6. Step 6: Final answer
    x = 96,245.88

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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.