Home / 106,764.03-147,164.67-84,067.02

Finding the Fourth Proportional to 106,764.03, 147,164.67 and 84,067.02

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Solution

The fourth proportional to 106,764.03, 147,164.67 and 84,067.02 is: 115,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,764.03 : 147,164.67 = 84,067.02 : x
  2. Step 2: Convert to fraction form
    106,764.03/147,164.67 = 84,067.02/x
  3. Step 3: Cross multiply
    106,764.03x = 147,164.67 × 84,067.02
  4. Step 4: Simplify right side
    106,764.03x = 12,371,695,256.18
  5. Step 5: Solve for x
    x = 12,371,695,256.18/106,764.03
  6. Step 6: Final answer
    x = 115,878.87

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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.