Home / 147,930.96-204,144.75-79,947.71

Finding the Fourth Proportional to 147,930.96, 204,144.75 and 79,947.71

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Solution

The fourth proportional to 147,930.96, 204,144.75 and 79,947.71 is: 110,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930.96 : 204,144.75 = 79,947.71 : x
  2. Step 2: Convert to fraction form
    147,930.96/204,144.75 = 79,947.71/x
  3. Step 3: Cross multiply
    147,930.96x = 204,144.75 × 79,947.71
  4. Step 4: Simplify right side
    147,930.96x = 16,320,905,271.02
  5. Step 5: Solve for x
    x = 16,320,905,271.02/147,930.96
  6. Step 6: Final answer
    x = 110,327.85

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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.