Home / 199,258.45-274,973.09-108,615.19

Finding the Fourth Proportional to 199,258.45, 274,973.09 and 108,615.19

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Solution

The fourth proportional to 199,258.45, 274,973.09 and 108,615.19 is: 149,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,258.45 : 274,973.09 = 108,615.19 : x
  2. Step 2: Convert to fraction form
    199,258.45/274,973.09 = 108,615.19/x
  3. Step 3: Cross multiply
    199,258.45x = 274,973.09 × 108,615.19
  4. Step 4: Simplify right side
    199,258.45x = 29,866,253,872.16
  5. Step 5: Solve for x
    x = 29,866,253,872.16/199,258.45
  6. Step 6: Final answer
    x = 149,887.01

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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.