Home / 150,122.34-207,164.16-89,679.42

Finding the Fourth Proportional to 150,122.34, 207,164.16 and 89,679.42

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Solution

The fourth proportional to 150,122.34, 207,164.16 and 89,679.42 is: 123,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,122.34 : 207,164.16 = 89,679.42 : x
  2. Step 2: Convert to fraction form
    150,122.34/207,164.16 = 89,679.42/x
  3. Step 3: Cross multiply
    150,122.34x = 207,164.16 × 89,679.42
  4. Step 4: Simplify right side
    150,122.34x = 18,578,361,713.59
  5. Step 5: Solve for x
    x = 18,578,361,713.59/150,122.34
  6. Step 6: Final answer
    x = 123,754.81

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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.