Home / 234,764.66-323,966.49-139,214.18

Finding the Fourth Proportional to 234,764.66, 323,966.49 and 139,214.18

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Solution

The fourth proportional to 234,764.66, 323,966.49 and 139,214.18 is: 192,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,764.66 : 323,966.49 = 139,214.18 : x
  2. Step 2: Convert to fraction form
    234,764.66/323,966.49 = 139,214.18/x
  3. Step 3: Cross multiply
    234,764.66x = 323,966.49 × 139,214.18
  4. Step 4: Simplify right side
    234,764.66x = 45,100,729,252.83
  5. Step 5: Solve for x
    x = 45,100,729,252.83/234,764.66
  6. Step 6: Final answer
    x = 192,110.39

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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.