Home / 150,179.20-207,247.68-83,113.60

Finding the Fourth Proportional to 150,179.20, 207,247.68 and 83,113.60

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Solution

The fourth proportional to 150,179.20, 207,247.68 and 83,113.60 is: 114,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,179.20 : 207,247.68 = 83,113.60 : x
  2. Step 2: Convert to fraction form
    150,179.20/207,247.68 = 83,113.60/x
  3. Step 3: Cross multiply
    150,179.20x = 207,247.68 × 83,113.60
  4. Step 4: Simplify right side
    150,179.20x = 17,225,100,776.45
  5. Step 5: Solve for x
    x = 17,225,100,776.45/150,179.20
  6. Step 6: Final answer
    x = 114,696.98

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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.