Home / 166,837.91-230,235.17-90,355.24

Finding the Fourth Proportional to 166,837.91, 230,235.17 and 90,355.24

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Solution

The fourth proportional to 166,837.91, 230,235.17 and 90,355.24 is: 124,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,837.91 : 230,235.17 = 90,355.24 : x
  2. Step 2: Convert to fraction form
    166,837.91/230,235.17 = 90,355.24/x
  3. Step 3: Cross multiply
    166,837.91x = 230,235.17 × 90,355.24
  4. Step 4: Simplify right side
    166,837.91x = 20,802,954,041.79
  5. Step 5: Solve for x
    x = 20,802,954,041.79/166,837.91
  6. Step 6: Final answer
    x = 124,689.61

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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.