Home / 258,734.40-356,902.14-168,150.71

Finding the Fourth Proportional to 258,734.40, 356,902.14 and 168,150.71

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Solution

The fourth proportional to 258,734.40, 356,902.14 and 168,150.71 is: 231,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,734.40 : 356,902.14 = 168,150.71 : x
  2. Step 2: Convert to fraction form
    258,734.40/356,902.14 = 168,150.71/x
  3. Step 3: Cross multiply
    258,734.40x = 356,902.14 × 168,150.71
  4. Step 4: Simplify right side
    258,734.40x = 60,013,346,457.01
  5. Step 5: Solve for x
    x = 60,013,346,457.01/258,734.40
  6. Step 6: Final answer
    x = 231,949.62

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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.