Home / 150,176.28-207,222.72-89,734.16

Finding the Fourth Proportional to 150,176.28, 207,222.72 and 89,734.16

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Solution

The fourth proportional to 150,176.28, 207,222.72 and 89,734.16 is: 123,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,176.28 : 207,222.72 = 89,734.16 : x
  2. Step 2: Convert to fraction form
    150,176.28/207,222.72 = 89,734.16/x
  3. Step 3: Cross multiply
    150,176.28x = 207,222.72 × 89,734.16
  4. Step 4: Simplify right side
    150,176.28x = 18,594,956,712.12
  5. Step 5: Solve for x
    x = 18,594,956,712.12/150,176.28
  6. Step 6: Final answer
    x = 123,820.86

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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.