Home / 110,863.11-166,335.98-66,521.69

Finding the Fourth Proportional to 110,863.11, 166,335.98 and 66,521.69

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Solution

The fourth proportional to 110,863.11, 166,335.98 and 66,521.69 is: 99,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,863.11 : 166,335.98 = 66,521.69 : x
  2. Step 2: Convert to fraction form
    110,863.11/166,335.98 = 66,521.69/x
  3. Step 3: Cross multiply
    110,863.11x = 166,335.98 × 66,521.69
  4. Step 4: Simplify right side
    110,863.11x = 11,064,950,497.41
  5. Step 5: Solve for x
    x = 11,064,950,497.41/110,863.11
  6. Step 6: Final answer
    x = 99,807.33

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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.