Home / 167,019.42-230,487.10-90,538.28

Finding the Fourth Proportional to 167,019.42, 230,487.10 and 90,538.28

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Solution

The fourth proportional to 167,019.42, 230,487.10 and 90,538.28 is: 124,942.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,019.42 : 230,487.10 = 90,538.28 : x
  2. Step 2: Convert to fraction form
    167,019.42/230,487.10 = 90,538.28/x
  3. Step 3: Cross multiply
    167,019.42x = 230,487.10 × 90,538.28
  4. Step 4: Simplify right side
    167,019.42x = 20,867,904,670.10
  5. Step 5: Solve for x
    x = 20,867,904,670.10/167,019.42
  6. Step 6: Final answer
    x = 124,942.99

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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.