Home / 168,436.31-232,432.20-91,940.22

Finding the Fourth Proportional to 168,436.31, 232,432.20 and 91,940.22

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Solution

The fourth proportional to 168,436.31, 232,432.20 and 91,940.22 is: 126,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,436.31 : 232,432.20 = 91,940.22 : x
  2. Step 2: Convert to fraction form
    168,436.31/232,432.20 = 91,940.22/x
  3. Step 3: Cross multiply
    168,436.31x = 232,432.20 × 91,940.22
  4. Step 4: Simplify right side
    168,436.31x = 21,369,867,603.08
  5. Step 5: Solve for x
    x = 21,369,867,603.08/168,436.31
  6. Step 6: Final answer
    x = 126,872.10

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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.