Home / 234,639.12-323,717.13-154,110.30

Finding the Fourth Proportional to 234,639.12, 323,717.13 and 154,110.30

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Solution

The fourth proportional to 234,639.12, 323,717.13 and 154,110.30 is: 212,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,639.12 : 323,717.13 = 154,110.30 : x
  2. Step 2: Convert to fraction form
    234,639.12/323,717.13 = 154,110.30/x
  3. Step 3: Cross multiply
    234,639.12x = 323,717.13 × 154,110.30
  4. Step 4: Simplify right side
    234,639.12x = 49,888,144,019.44
  5. Step 5: Solve for x
    x = 49,888,144,019.44/234,639.12
  6. Step 6: Final answer
    x = 212,616.48

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1.5x scale

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.