Home / 354,084.44-531,209.62-140,864.47

Finding the Fourth Proportional to 354,084.44, 531,209.62 and 140,864.47

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Solution

The fourth proportional to 354,084.44, 531,209.62 and 140,864.47 is: 211,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,084.44 : 531,209.62 = 140,864.47 : x
  2. Step 2: Convert to fraction form
    354,084.44/531,209.62 = 140,864.47/x
  3. Step 3: Cross multiply
    354,084.44x = 531,209.62 × 140,864.47
  4. Step 4: Simplify right side
    354,084.44x = 74,828,560,032.08
  5. Step 5: Solve for x
    x = 74,828,560,032.08/354,084.44
  6. Step 6: Final answer
    x = 211,329.71

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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.