Home / 119,864.28-179,876.64-49,743.60

Finding the Fourth Proportional to 119,864.28, 179,876.64 and 49,743.60

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Solution

The fourth proportional to 119,864.28, 179,876.64 and 49,743.60 is: 74,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.28 : 179,876.64 = 49,743.60 : x
  2. Step 2: Convert to fraction form
    119,864.28/179,876.64 = 49,743.60/x
  3. Step 3: Cross multiply
    119,864.28x = 179,876.64 × 49,743.60
  4. Step 4: Simplify right side
    119,864.28x = 8,947,711,629.50
  5. Step 5: Solve for x
    x = 8,947,711,629.50/119,864.28
  6. Step 6: Final answer
    x = 74,648.69

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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.