Home / 100,340.20-150,532.45-29,268.40

Finding the Fourth Proportional to 100,340.20, 150,532.45 and 29,268.40

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Solution

The fourth proportional to 100,340.20, 150,532.45 and 29,268.40 is: 43,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,340.20 : 150,532.45 = 29,268.40 : x
  2. Step 2: Convert to fraction form
    100,340.20/150,532.45 = 29,268.40/x
  3. Step 3: Cross multiply
    100,340.20x = 150,532.45 × 29,268.40
  4. Step 4: Simplify right side
    100,340.20x = 4,405,844,301.94
  5. Step 5: Solve for x
    x = 4,405,844,301.94/100,340.20
  6. Step 6: Final answer
    x = 43,909.06

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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.