Home / 234,630.87-323,705.75-154,102.05

Finding the Fourth Proportional to 234,630.87, 323,705.75 and 154,102.05

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Solution

The fourth proportional to 234,630.87, 323,705.75 and 154,102.05 is: 212,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,630.87 : 323,705.75 = 154,102.05 : x
  2. Step 2: Convert to fraction form
    234,630.87/323,705.75 = 154,102.05/x
  3. Step 3: Cross multiply
    234,630.87x = 323,705.75 × 154,102.05
  4. Step 4: Simplify right side
    234,630.87x = 49,883,718,901.28
  5. Step 5: Solve for x
    x = 49,883,718,901.28/234,630.87
  6. Step 6: Final answer
    x = 212,605.10

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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.