Home / 179,386.60-268,982.70-74,216.20

Finding the Fourth Proportional to 179,386.60, 268,982.70 and 74,216.20

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Solution

The fourth proportional to 179,386.60, 268,982.70 and 74,216.20 is: 111,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,386.60 : 268,982.70 = 74,216.20 : x
  2. Step 2: Convert to fraction form
    179,386.60/268,982.70 = 74,216.20/x
  3. Step 3: Cross multiply
    179,386.60x = 268,982.70 × 74,216.20
  4. Step 4: Simplify right side
    179,386.60x = 19,962,873,859.74
  5. Step 5: Solve for x
    x = 19,962,873,859.74/179,386.60
  6. Step 6: Final answer
    x = 111,284.09

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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.