Home / 275,317.20-412,975.80-88,347.60

Finding the Fourth Proportional to 275,317.20, 412,975.80 and 88,347.60

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Solution

The fourth proportional to 275,317.20, 412,975.80 and 88,347.60 is: 132,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,317.20 : 412,975.80 = 88,347.60 : x
  2. Step 2: Convert to fraction form
    275,317.20/412,975.80 = 88,347.60/x
  3. Step 3: Cross multiply
    275,317.20x = 412,975.80 × 88,347.60
  4. Step 4: Simplify right side
    275,317.20x = 36,485,420,788.08
  5. Step 5: Solve for x
    x = 36,485,420,788.08/275,317.20
  6. Step 6: Final answer
    x = 132,521.40

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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.