Home / 112,158.98-154,773.94-66,835.96

Finding the Fourth Proportional to 112,158.98, 154,773.94 and 66,835.96

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Solution

The fourth proportional to 112,158.98, 154,773.94 and 66,835.96 is: 92,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158.98 : 154,773.94 = 66,835.96 : x
  2. Step 2: Convert to fraction form
    112,158.98/154,773.94 = 66,835.96/x
  3. Step 3: Cross multiply
    112,158.98x = 154,773.94 × 66,835.96
  4. Step 4: Simplify right side
    112,158.98x = 10,344,464,862.88
  5. Step 5: Solve for x
    x = 10,344,464,862.88/112,158.98
  6. Step 6: Final answer
    x = 92,230.38

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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.