Home / 220,788.16-330,921.48-94,391.44

Finding the Fourth Proportional to 220,788.16, 330,921.48 and 94,391.44

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Solution

The fourth proportional to 220,788.16, 330,921.48 and 94,391.44 is: 141,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,788.16 : 330,921.48 = 94,391.44 : x
  2. Step 2: Convert to fraction form
    220,788.16/330,921.48 = 94,391.44/x
  3. Step 3: Cross multiply
    220,788.16x = 330,921.48 × 94,391.44
  4. Step 4: Simplify right side
    220,788.16x = 31,236,155,024.13
  5. Step 5: Solve for x
    x = 31,236,155,024.13/220,788.16
  6. Step 6: Final answer
    x = 141,475.68

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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.