Home / 194,441.50-291,691.41-69,811.66

Finding the Fourth Proportional to 194,441.50, 291,691.41 and 69,811.66

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Solution

The fourth proportional to 194,441.50, 291,691.41 and 69,811.66 is: 104,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,441.50 : 291,691.41 = 69,811.66 : x
  2. Step 2: Convert to fraction form
    194,441.50/291,691.41 = 69,811.66/x
  3. Step 3: Cross multiply
    194,441.50x = 291,691.41 × 69,811.66
  4. Step 4: Simplify right side
    194,441.50x = 20,363,461,539.84
  5. Step 5: Solve for x
    x = 20,363,461,539.84/194,441.50
  6. Step 6: Final answer
    x = 104,727.96

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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.