Home / 460,679.11-691,117.07-161,169.46

Finding the Fourth Proportional to 460,679.11, 691,117.07 and 161,169.46

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Solution

The fourth proportional to 460,679.11, 691,117.07 and 161,169.46 is: 241,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,679.11 : 691,117.07 = 161,169.46 : x
  2. Step 2: Convert to fraction form
    460,679.11/691,117.07 = 161,169.46/x
  3. Step 3: Cross multiply
    460,679.11x = 691,117.07 × 161,169.46
  4. Step 4: Simplify right side
    460,679.11x = 111,386,962,435.04
  5. Step 5: Solve for x
    x = 111,386,962,435.04/460,679.11
  6. Step 6: Final answer
    x = 241,788.61

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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.