Home / 143,267.00-197,707.03-79,603.43

Finding the Fourth Proportional to 143,267.00, 197,707.03 and 79,603.43

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Solution

The fourth proportional to 143,267.00, 197,707.03 and 79,603.43 is: 109,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267.00 : 197,707.03 = 79,603.43 : x
  2. Step 2: Convert to fraction form
    143,267.00/197,707.03 = 79,603.43/x
  3. Step 3: Cross multiply
    143,267.00x = 197,707.03 × 79,603.43
  4. Step 4: Simplify right side
    143,267.00x = 15,738,156,535.57
  5. Step 5: Solve for x
    x = 15,738,156,535.57/143,267.00
  6. Step 6: Final answer
    x = 109,851.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.