Home / 221,023.08-331,532.16-132,301.36

Finding the Fourth Proportional to 221,023.08, 331,532.16 and 132,301.36

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Solution

The fourth proportional to 221,023.08, 331,532.16 and 132,301.36 is: 198,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,023.08 : 331,532.16 = 132,301.36 : x
  2. Step 2: Convert to fraction form
    221,023.08/331,532.16 = 132,301.36/x
  3. Step 3: Cross multiply
    221,023.08x = 331,532.16 × 132,301.36
  4. Step 4: Simplify right side
    221,023.08x = 43,862,155,651.74
  5. Step 5: Solve for x
    x = 43,862,155,651.74/221,023.08
  6. Step 6: Final answer
    x = 198,450.57

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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.