Home / 123,471.32-170,389.86-66,882.84

Finding the Fourth Proportional to 123,471.32, 170,389.86 and 66,882.84

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Solution

The fourth proportional to 123,471.32, 170,389.86 and 66,882.84 is: 92,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,471.32 : 170,389.86 = 66,882.84 : x
  2. Step 2: Convert to fraction form
    123,471.32/170,389.86 = 66,882.84/x
  3. Step 3: Cross multiply
    123,471.32x = 170,389.86 × 66,882.84
  4. Step 4: Simplify right side
    123,471.32x = 11,396,157,744.00
  5. Step 5: Solve for x
    x = 11,396,157,744.00/123,471.32
  6. Step 6: Final answer
    x = 92,298.01

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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.