Home / 100,218.52-150,360.18-33,689.08

Finding the Fourth Proportional to 100,218.52, 150,360.18 and 33,689.08

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Solution

The fourth proportional to 100,218.52, 150,360.18 and 33,689.08 is: 50,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,218.52 : 150,360.18 = 33,689.08 : x
  2. Step 2: Convert to fraction form
    100,218.52/150,360.18 = 33,689.08/x
  3. Step 3: Cross multiply
    100,218.52x = 150,360.18 × 33,689.08
  4. Step 4: Simplify right side
    100,218.52x = 5,065,496,132.83
  5. Step 5: Solve for x
    x = 5,065,496,132.83/100,218.52
  6. Step 6: Final answer
    x = 50,544.51

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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.