Home / 100,279.20-150,419.04-41,104.32

Finding the Fourth Proportional to 100,279.20, 150,419.04 and 41,104.32

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Solution

The fourth proportional to 100,279.20, 150,419.04 and 41,104.32 is: 61,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,279.20 : 150,419.04 = 41,104.32 : x
  2. Step 2: Convert to fraction form
    100,279.20/150,419.04 = 41,104.32/x
  3. Step 3: Cross multiply
    100,279.20x = 150,419.04 × 41,104.32
  4. Step 4: Simplify right side
    100,279.20x = 6,182,872,354.25
  5. Step 5: Solve for x
    x = 6,182,872,354.25/100,279.20
  6. Step 6: Final answer
    x = 61,656.58

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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.