Home / 109,186.88-163,773.84-64,233.50

Finding the Fourth Proportional to 109,186.88, 163,773.84 and 64,233.50

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Solution

The fourth proportional to 109,186.88, 163,773.84 and 64,233.50 is: 96,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,186.88 : 163,773.84 = 64,233.50 : x
  2. Step 2: Convert to fraction form
    109,186.88/163,773.84 = 64,233.50/x
  3. Step 3: Cross multiply
    109,186.88x = 163,773.84 × 64,233.50
  4. Step 4: Simplify right side
    109,186.88x = 10,519,766,951.64
  5. Step 5: Solve for x
    x = 10,519,766,951.64/109,186.88
  6. Step 6: Final answer
    x = 96,346.44

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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.