Home / 294,943.20-442,355.40-84,524.64

Finding the Fourth Proportional to 294,943.20, 442,355.40 and 84,524.64

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Solution

The fourth proportional to 294,943.20, 442,355.40 and 84,524.64 is: 126,769.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,943.20 : 442,355.40 = 84,524.64 : x
  2. Step 2: Convert to fraction form
    294,943.20/442,355.40 = 84,524.64/x
  3. Step 3: Cross multiply
    294,943.20x = 442,355.40 × 84,524.64
  4. Step 4: Simplify right side
    294,943.20x = 37,389,930,937.06
  5. Step 5: Solve for x
    x = 37,389,930,937.06/294,943.20
  6. Step 6: Final answer
    x = 126,769.94

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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.