Home / 106,733.03-147,305.66-103,228.02

Finding the Fourth Proportional to 106,733.03, 147,305.66 and 103,228.02

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Solution

The fourth proportional to 106,733.03, 147,305.66 and 103,228.02 is: 142,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,733.03 : 147,305.66 = 103,228.02 : x
  2. Step 2: Convert to fraction form
    106,733.03/147,305.66 = 103,228.02/x
  3. Step 3: Cross multiply
    106,733.03x = 147,305.66 × 103,228.02
  4. Step 4: Simplify right side
    106,733.03x = 15,206,071,100.45
  5. Step 5: Solve for x
    x = 15,206,071,100.45/106,733.03
  6. Step 6: Final answer
    x = 142,468.29

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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.