Home / 471,139.24-706,942.38-186,823.72

Finding the Fourth Proportional to 471,139.24, 706,942.38 and 186,823.72

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Solution

The fourth proportional to 471,139.24, 706,942.38 and 186,823.72 is: 280,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,139.24 : 706,942.38 = 186,823.72 : x
  2. Step 2: Convert to fraction form
    471,139.24/706,942.38 = 186,823.72/x
  3. Step 3: Cross multiply
    471,139.24x = 706,942.38 × 186,823.72
  4. Step 4: Simplify right side
    471,139.24x = 132,073,605,257.25
  5. Step 5: Solve for x
    x = 132,073,605,257.25/471,139.24
  6. Step 6: Final answer
    x = 280,328.18

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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.