Home / 106,788.26-160,180.23-31,908.62

Finding the Fourth Proportional to 106,788.26, 160,180.23 and 31,908.62

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Solution

The fourth proportional to 106,788.26, 160,180.23 and 31,908.62 is: 47,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,788.26 : 160,180.23 = 31,908.62 : x
  2. Step 2: Convert to fraction form
    106,788.26/160,180.23 = 31,908.62/x
  3. Step 3: Cross multiply
    106,788.26x = 160,180.23 × 31,908.62
  4. Step 4: Simplify right side
    106,788.26x = 5,111,130,090.58
  5. Step 5: Solve for x
    x = 5,111,130,090.58/106,788.26
  6. Step 6: Final answer
    x = 47,862.28

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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.