Home / 199,179.16-274,864.74-108,539.08

Finding the Fourth Proportional to 199,179.16, 274,864.74 and 108,539.08

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Solution

The fourth proportional to 199,179.16, 274,864.74 and 108,539.08 is: 149,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,179.16 : 274,864.74 = 108,539.08 : x
  2. Step 2: Convert to fraction form
    199,179.16/274,864.74 = 108,539.08/x
  3. Step 3: Cross multiply
    199,179.16x = 274,864.74 × 108,539.08
  4. Step 4: Simplify right side
    199,179.16x = 29,833,566,004.04
  5. Step 5: Solve for x
    x = 29,833,566,004.04/199,179.16
  6. Step 6: Final answer
    x = 149,782.57

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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.