Home / 172,091.14-258,202.90-83,337.82

Finding the Fourth Proportional to 172,091.14, 258,202.90 and 83,337.82

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Solution

The fourth proportional to 172,091.14, 258,202.90 and 83,337.82 is: 125,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,091.14 : 258,202.90 = 83,337.82 : x
  2. Step 2: Convert to fraction form
    172,091.14/258,202.90 = 83,337.82/x
  3. Step 3: Cross multiply
    172,091.14x = 258,202.90 × 83,337.82
  4. Step 4: Simplify right side
    172,091.14x = 21,518,066,803.68
  5. Step 5: Solve for x
    x = 21,518,066,803.68/172,091.14
  6. Step 6: Final answer
    x = 125,038.78

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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.