Home / 321,721.56-482,585.94-97,084.13

Finding the Fourth Proportional to 321,721.56, 482,585.94 and 97,084.13

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Solution

The fourth proportional to 321,721.56, 482,585.94 and 97,084.13 is: 145,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,721.56 : 482,585.94 = 97,084.13 : x
  2. Step 2: Convert to fraction form
    321,721.56/482,585.94 = 97,084.13/x
  3. Step 3: Cross multiply
    321,721.56x = 482,585.94 × 97,084.13
  4. Step 4: Simplify right side
    321,721.56x = 46,851,433,722.20
  5. Step 5: Solve for x
    x = 46,851,433,722.20/321,721.56
  6. Step 6: Final answer
    x = 145,627.27

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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.