Home / 234,314.36-351,398.88-84,535.20

Finding the Fourth Proportional to 234,314.36, 351,398.88 and 84,535.20

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Solution

The fourth proportional to 234,314.36, 351,398.88 and 84,535.20 is: 126,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,314.36 : 351,398.88 = 84,535.20 : x
  2. Step 2: Convert to fraction form
    234,314.36/351,398.88 = 84,535.20/x
  3. Step 3: Cross multiply
    234,314.36x = 351,398.88 × 84,535.20
  4. Step 4: Simplify right side
    234,314.36x = 29,705,574,600.58
  5. Step 5: Solve for x
    x = 29,705,574,600.58/234,314.36
  6. Step 6: Final answer
    x = 126,776.59

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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.