Home / 243,723.95-365,481.36-83,815.97

Finding the Fourth Proportional to 243,723.95, 365,481.36 and 83,815.97

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Solution

The fourth proportional to 243,723.95, 365,481.36 and 83,815.97 is: 125,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,723.95 : 365,481.36 = 83,815.97 : x
  2. Step 2: Convert to fraction form
    243,723.95/365,481.36 = 83,815.97/x
  3. Step 3: Cross multiply
    243,723.95x = 365,481.36 × 83,815.97
  4. Step 4: Simplify right side
    243,723.95x = 30,633,175,619.02
  5. Step 5: Solve for x
    x = 30,633,175,619.02/243,723.95
  6. Step 6: Final answer
    x = 125,688.00

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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.