Home / 150,167.23-207,210.31-89,725.10

Finding the Fourth Proportional to 150,167.23, 207,210.31 and 89,725.10

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Solution

The fourth proportional to 150,167.23, 207,210.31 and 89,725.10 is: 123,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.23 : 207,210.31 = 89,725.10 : x
  2. Step 2: Convert to fraction form
    150,167.23/207,210.31 = 89,725.10/x
  3. Step 3: Cross multiply
    150,167.23x = 207,210.31 × 89,725.10
  4. Step 4: Simplify right side
    150,167.23x = 18,591,965,785.78
  5. Step 5: Solve for x
    x = 18,591,965,785.78/150,167.23
  6. Step 6: Final answer
    x = 123,808.41

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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.