Home / 100,580.20-150,870.26-25,700.48

Finding the Fourth Proportional to 100,580.20, 150,870.26 and 25,700.48

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Solution

The fourth proportional to 100,580.20, 150,870.26 and 25,700.48 is: 38,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,580.20 : 150,870.26 = 25,700.48 : x
  2. Step 2: Convert to fraction form
    100,580.20/150,870.26 = 25,700.48/x
  3. Step 3: Cross multiply
    100,580.20x = 150,870.26 × 25,700.48
  4. Step 4: Simplify right side
    100,580.20x = 3,877,438,099.72
  5. Step 5: Solve for x
    x = 3,877,438,099.72/100,580.20
  6. Step 6: Final answer
    x = 38,550.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.