Home / 220,700.16-331,083.18-102,383.46

Finding the Fourth Proportional to 220,700.16, 331,083.18 and 102,383.46

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Solution

The fourth proportional to 220,700.16, 331,083.18 and 102,383.46 is: 153,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,700.16 : 331,083.18 = 102,383.46 : x
  2. Step 2: Convert to fraction form
    220,700.16/331,083.18 = 102,383.46/x
  3. Step 3: Cross multiply
    220,700.16x = 331,083.18 × 102,383.46
  4. Step 4: Simplify right side
    220,700.16x = 33,897,441,516.20
  5. Step 5: Solve for x
    x = 33,897,441,516.20/220,700.16
  6. Step 6: Final answer
    x = 153,590.47

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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.