Home / 321,938.61-444,280.50-176,757.78

Finding the Fourth Proportional to 321,938.61, 444,280.50 and 176,757.78

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Solution

The fourth proportional to 321,938.61, 444,280.50 and 176,757.78 is: 243,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,938.61 : 444,280.50 = 176,757.78 : x
  2. Step 2: Convert to fraction form
    321,938.61/444,280.50 = 176,757.78/x
  3. Step 3: Cross multiply
    321,938.61x = 444,280.50 × 176,757.78
  4. Step 4: Simplify right side
    321,938.61x = 78,530,034,877.29
  5. Step 5: Solve for x
    x = 78,530,034,877.29/321,938.61
  6. Step 6: Final answer
    x = 243,928.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.