Home / 216,811.23-325,215.03-169,466.14

Finding the Fourth Proportional to 216,811.23, 325,215.03 and 169,466.14

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Solution

The fourth proportional to 216,811.23, 325,215.03 and 169,466.14 is: 254,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,811.23 : 325,215.03 = 169,466.14 : x
  2. Step 2: Convert to fraction form
    216,811.23/325,215.03 = 169,466.14/x
  3. Step 3: Cross multiply
    216,811.23x = 325,215.03 × 169,466.14
  4. Step 4: Simplify right side
    216,811.23x = 55,112,934,143.72
  5. Step 5: Solve for x
    x = 55,112,934,143.72/216,811.23
  6. Step 6: Final answer
    x = 254,197.78

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1.5x scale

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.