Home / 119,865.28-179,878.14-49,744.60

Finding the Fourth Proportional to 119,865.28, 179,878.14 and 49,744.60

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Solution

The fourth proportional to 119,865.28, 179,878.14 and 49,744.60 is: 74,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,865.28 : 179,878.14 = 49,744.60 : x
  2. Step 2: Convert to fraction form
    119,865.28/179,878.14 = 49,744.60/x
  3. Step 3: Cross multiply
    119,865.28x = 179,878.14 × 49,744.60
  4. Step 4: Simplify right side
    119,865.28x = 8,947,966,123.04
  5. Step 5: Solve for x
    x = 8,947,966,123.04/119,865.28
  6. Step 6: Final answer
    x = 74,650.19

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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.