Home / 106,734.53-147,307.73-103,229.52

Finding the Fourth Proportional to 106,734.53, 147,307.73 and 103,229.52

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Solution

The fourth proportional to 106,734.53, 147,307.73 and 103,229.52 is: 142,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,734.53 : 147,307.73 = 103,229.52 : x
  2. Step 2: Convert to fraction form
    106,734.53/147,307.73 = 103,229.52/x
  3. Step 3: Cross multiply
    106,734.53x = 147,307.73 × 103,229.52
  4. Step 4: Simplify right side
    106,734.53x = 15,206,505,744.04
  5. Step 5: Solve for x
    x = 15,206,505,744.04/106,734.53
  6. Step 6: Final answer
    x = 142,470.36

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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.