Home / 150,167.12-207,210.15-89,724.98

Finding the Fourth Proportional to 150,167.12, 207,210.15 and 89,724.98

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Solution

The fourth proportional to 150,167.12, 207,210.15 and 89,724.98 is: 123,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.12 : 207,210.15 = 89,724.98 : x
  2. Step 2: Convert to fraction form
    150,167.12/207,210.15 = 89,724.98/x
  3. Step 3: Cross multiply
    150,167.12x = 207,210.15 × 89,724.98
  4. Step 4: Simplify right side
    150,167.12x = 18,591,927,082.57
  5. Step 5: Solve for x
    x = 18,591,927,082.57/150,167.12
  6. Step 6: Final answer
    x = 123,808.25

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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.