Home / 146,546.39-202,169.81-86,089.76

Finding the Fourth Proportional to 146,546.39, 202,169.81 and 86,089.76

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Solution

The fourth proportional to 146,546.39, 202,169.81 and 86,089.76 is: 118,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,546.39 : 202,169.81 = 86,089.76 : x
  2. Step 2: Convert to fraction form
    146,546.39/202,169.81 = 86,089.76/x
  3. Step 3: Cross multiply
    146,546.39x = 202,169.81 × 86,089.76
  4. Step 4: Simplify right side
    146,546.39x = 17,404,750,422.15
  5. Step 5: Solve for x
    x = 17,404,750,422.15/146,546.39
  6. Step 6: Final answer
    x = 118,766.15

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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.