Home / 166,822.98-230,215.84-90,342.68

Finding the Fourth Proportional to 166,822.98, 230,215.84 and 90,342.68

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Solution

The fourth proportional to 166,822.98, 230,215.84 and 90,342.68 is: 124,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,822.98 : 230,215.84 = 90,342.68 : x
  2. Step 2: Convert to fraction form
    166,822.98/230,215.84 = 90,342.68/x
  3. Step 3: Cross multiply
    166,822.98x = 230,215.84 × 90,342.68
  4. Step 4: Simplify right side
    166,822.98x = 20,798,315,964.05
  5. Step 5: Solve for x
    x = 20,798,315,964.05/166,822.98
  6. Step 6: Final answer
    x = 124,672.97

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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.