Home / 354,629.20-532,016.70-118,141.60

Finding the Fourth Proportional to 354,629.20, 532,016.70 and 118,141.60

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Solution

The fourth proportional to 354,629.20, 532,016.70 and 118,141.60 is: 177,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,629.20 : 532,016.70 = 118,141.60 : x
  2. Step 2: Convert to fraction form
    354,629.20/532,016.70 = 118,141.60/x
  3. Step 3: Cross multiply
    354,629.20x = 532,016.70 × 118,141.60
  4. Step 4: Simplify right side
    354,629.20x = 62,853,304,164.72
  5. Step 5: Solve for x
    x = 62,853,304,164.72/354,629.20
  6. Step 6: Final answer
    x = 177,236.69

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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.