Home / 100,319.85-150,352.20-41,088.60

Finding the Fourth Proportional to 100,319.85, 150,352.20 and 41,088.60

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Solution

The fourth proportional to 100,319.85, 150,352.20 and 41,088.60 is: 61,580.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,319.85 : 150,352.20 = 41,088.60 : x
  2. Step 2: Convert to fraction form
    100,319.85/150,352.20 = 41,088.60/x
  3. Step 3: Cross multiply
    100,319.85x = 150,352.20 × 41,088.60
  4. Step 4: Simplify right side
    100,319.85x = 6,177,761,404.92
  5. Step 5: Solve for x
    x = 6,177,761,404.92/100,319.85
  6. Step 6: Final answer
    x = 61,580.65

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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.