Home / 193,885.03-290,983.07-100,417.51

Finding the Fourth Proportional to 193,885.03, 290,983.07 and 100,417.51

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Solution

The fourth proportional to 193,885.03, 290,983.07 and 100,417.51 is: 150,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,885.03 : 290,983.07 = 100,417.51 : x
  2. Step 2: Convert to fraction form
    193,885.03/290,983.07 = 100,417.51/x
  3. Step 3: Cross multiply
    193,885.03x = 290,983.07 × 100,417.51
  4. Step 4: Simplify right side
    193,885.03x = 29,219,794,839.47
  5. Step 5: Solve for x
    x = 29,219,794,839.47/193,885.03
  6. Step 6: Final answer
    x = 150,706.81

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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.