Home / 168,638.09-232,711.43-93,181.73

Finding the Fourth Proportional to 168,638.09, 232,711.43 and 93,181.73

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Solution

The fourth proportional to 168,638.09, 232,711.43 and 93,181.73 is: 128,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,638.09 : 232,711.43 = 93,181.73 : x
  2. Step 2: Convert to fraction form
    168,638.09/232,711.43 = 93,181.73/x
  3. Step 3: Cross multiply
    168,638.09x = 232,711.43 × 93,181.73
  4. Step 4: Simplify right side
    168,638.09x = 21,684,454,976.60
  5. Step 5: Solve for x
    x = 21,684,454,976.60/168,638.09
  6. Step 6: Final answer
    x = 128,585.74

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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.