Home / 100,317.25-150,488.43-37,126.72

Finding the Fourth Proportional to 100,317.25, 150,488.43 and 37,126.72

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Solution

The fourth proportional to 100,317.25, 150,488.43 and 37,126.72 is: 55,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,317.25 : 150,488.43 = 37,126.72 : x
  2. Step 2: Convert to fraction form
    100,317.25/150,488.43 = 37,126.72/x
  3. Step 3: Cross multiply
    100,317.25x = 150,488.43 × 37,126.72
  4. Step 4: Simplify right side
    100,317.25x = 5,587,141,803.85
  5. Step 5: Solve for x
    x = 5,587,141,803.85/100,317.25
  6. Step 6: Final answer
    x = 55,694.73

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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.