Home / 119,724.30-179,629.38-51,307.14

Finding the Fourth Proportional to 119,724.30, 179,629.38 and 51,307.14

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Solution

The fourth proportional to 119,724.30, 179,629.38 and 51,307.14 is: 76,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,724.30 : 179,629.38 = 51,307.14 : x
  2. Step 2: Convert to fraction form
    119,724.30/179,629.38 = 51,307.14/x
  3. Step 3: Cross multiply
    119,724.30x = 179,629.38 × 51,307.14
  4. Step 4: Simplify right side
    119,724.30x = 9,216,269,747.77
  5. Step 5: Solve for x
    x = 9,216,269,747.77/119,724.30
  6. Step 6: Final answer
    x = 76,979.11

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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.