Home / 216,301.79-324,490.04-96,401.33

Finding the Fourth Proportional to 216,301.79, 324,490.04 and 96,401.33

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Solution

The fourth proportional to 216,301.79, 324,490.04 and 96,401.33 is: 144,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,301.79 : 324,490.04 = 96,401.33 : x
  2. Step 2: Convert to fraction form
    216,301.79/324,490.04 = 96,401.33/x
  3. Step 3: Cross multiply
    216,301.79x = 324,490.04 × 96,401.33
  4. Step 4: Simplify right side
    216,301.79x = 31,281,272,479.98
  5. Step 5: Solve for x
    x = 31,281,272,479.98/216,301.79
  6. Step 6: Final answer
    x = 144,618.65

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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.