Home / 216,857.24-325,204.96-74,662.35

Finding the Fourth Proportional to 216,857.24, 325,204.96 and 74,662.35

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Solution

The fourth proportional to 216,857.24, 325,204.96 and 74,662.35 is: 111,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,857.24 : 325,204.96 = 74,662.35 : x
  2. Step 2: Convert to fraction form
    216,857.24/325,204.96 = 74,662.35/x
  3. Step 3: Cross multiply
    216,857.24x = 325,204.96 × 74,662.35
  4. Step 4: Simplify right side
    216,857.24x = 24,280,566,545.26
  5. Step 5: Solve for x
    x = 24,280,566,545.26/216,857.24
  6. Step 6: Final answer
    x = 111,965.67

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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.