Home / 166,837.16-230,234.13-90,354.49

Finding the Fourth Proportional to 166,837.16, 230,234.13 and 90,354.49

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Solution

The fourth proportional to 166,837.16, 230,234.13 and 90,354.49 is: 124,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,837.16 : 230,234.13 = 90,354.49 : x
  2. Step 2: Convert to fraction form
    166,837.16/230,234.13 = 90,354.49/x
  3. Step 3: Cross multiply
    166,837.16x = 230,234.13 × 90,354.49
  4. Step 4: Simplify right side
    166,837.16x = 20,802,687,396.74
  5. Step 5: Solve for x
    x = 20,802,687,396.74/166,837.16
  6. Step 6: Final answer
    x = 124,688.57

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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.