Home / 172,093.38-258,206.27-83,340.06

Finding the Fourth Proportional to 172,093.38, 258,206.27 and 83,340.06

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Solution

The fourth proportional to 172,093.38, 258,206.27 and 83,340.06 is: 125,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,093.38 : 258,206.27 = 83,340.06 : x
  2. Step 2: Convert to fraction form
    172,093.38/258,206.27 = 83,340.06/x
  3. Step 3: Cross multiply
    172,093.38x = 258,206.27 × 83,340.06
  4. Step 4: Simplify right side
    172,093.38x = 21,518,925,617.48
  5. Step 5: Solve for x
    x = 21,518,925,617.48/172,093.38
  6. Step 6: Final answer
    x = 125,042.15

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1.5x scale

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.