Home / 133,297.81-199,906.35-70,083.87

Finding the Fourth Proportional to 133,297.81, 199,906.35 and 70,083.87

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Solution

The fourth proportional to 133,297.81, 199,906.35 and 70,083.87 is: 105,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,297.81 : 199,906.35 = 70,083.87 : x
  2. Step 2: Convert to fraction form
    133,297.81/199,906.35 = 70,083.87/x
  3. Step 3: Cross multiply
    133,297.81x = 199,906.35 × 70,083.87
  4. Step 4: Simplify right side
    133,297.81x = 14,010,210,645.57
  5. Step 5: Solve for x
    x = 14,010,210,645.57/133,297.81
  6. Step 6: Final answer
    x = 105,104.58

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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.