Home / 150,198.28-207,259.56-89,756.92

Finding the Fourth Proportional to 150,198.28, 207,259.56 and 89,756.92

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Solution

The fourth proportional to 150,198.28, 207,259.56 and 89,756.92 is: 123,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,198.28 : 207,259.56 = 89,756.92 : x
  2. Step 2: Convert to fraction form
    150,198.28/207,259.56 = 89,756.92/x
  3. Step 3: Cross multiply
    150,198.28x = 207,259.56 × 89,756.92
  4. Step 4: Simplify right side
    150,198.28x = 18,602,979,746.16
  5. Step 5: Solve for x
    x = 18,602,979,746.16/150,198.28
  6. Step 6: Final answer
    x = 123,856.14

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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.