Home / 205,645.11-308,353.03-63,450.01

Finding the Fourth Proportional to 205,645.11, 308,353.03 and 63,450.01

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Solution

The fourth proportional to 205,645.11, 308,353.03 and 63,450.01 is: 95,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,645.11 : 308,353.03 = 63,450.01 : x
  2. Step 2: Convert to fraction form
    205,645.11/308,353.03 = 63,450.01/x
  3. Step 3: Cross multiply
    205,645.11x = 308,353.03 × 63,450.01
  4. Step 4: Simplify right side
    205,645.11x = 19,565,002,837.03
  5. Step 5: Solve for x
    x = 19,565,002,837.03/205,645.11
  6. Step 6: Final answer
    x = 95,139.65

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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.