Home / 234,640.12-323,718.51-154,111.30

Finding the Fourth Proportional to 234,640.12, 323,718.51 and 154,111.30

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Solution

The fourth proportional to 234,640.12, 323,718.51 and 154,111.30 is: 212,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,640.12 : 323,718.51 = 154,111.30 : x
  2. Step 2: Convert to fraction form
    234,640.12/323,718.51 = 154,111.30/x
  3. Step 3: Cross multiply
    234,640.12x = 323,718.51 × 154,111.30
  4. Step 4: Simplify right side
    234,640.12x = 49,888,680,410.16
  5. Step 5: Solve for x
    x = 49,888,680,410.16/234,640.12
  6. Step 6: Final answer
    x = 212,617.86

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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.