Home / 223,895.20-335,727.60-83,581.60

Finding the Fourth Proportional to 223,895.20, 335,727.60 and 83,581.60

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Solution

The fourth proportional to 223,895.20, 335,727.60 and 83,581.60 is: 125,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,895.20 : 335,727.60 = 83,581.60 : x
  2. Step 2: Convert to fraction form
    223,895.20/335,727.60 = 83,581.60/x
  3. Step 3: Cross multiply
    223,895.20x = 335,727.60 × 83,581.60
  4. Step 4: Simplify right side
    223,895.20x = 28,060,649,972.16
  5. Step 5: Solve for x
    x = 28,060,649,972.16/223,895.20
  6. Step 6: Final answer
    x = 125,329.40

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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.