Home / 103,204.16-154,656.82-71,150.33

Finding the Fourth Proportional to 103,204.16, 154,656.82 and 71,150.33

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Solution

The fourth proportional to 103,204.16, 154,656.82 and 71,150.33 is: 106,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204.16 : 154,656.82 = 71,150.33 : x
  2. Step 2: Convert to fraction form
    103,204.16/154,656.82 = 71,150.33/x
  3. Step 3: Cross multiply
    103,204.16x = 154,656.82 × 71,150.33
  4. Step 4: Simplify right side
    103,204.16x = 11,003,882,650.71
  5. Step 5: Solve for x
    x = 11,003,882,650.71/103,204.16
  6. Step 6: Final answer
    x = 106,622.48

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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.