Home / 150,520.68-207,627.30-99,533.16

Finding the Fourth Proportional to 150,520.68, 207,627.30 and 99,533.16

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Solution

The fourth proportional to 150,520.68, 207,627.30 and 99,533.16 is: 137,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,520.68 : 207,627.30 = 99,533.16 : x
  2. Step 2: Convert to fraction form
    150,520.68/207,627.30 = 99,533.16/x
  3. Step 3: Cross multiply
    150,520.68x = 207,627.30 × 99,533.16
  4. Step 4: Simplify right side
    150,520.68x = 20,665,801,271.27
  5. Step 5: Solve for x
    x = 20,665,801,271.27/150,520.68
  6. Step 6: Final answer
    x = 137,295.43

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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.