Home / 199,029.27-274,657.66-112,987.50

Finding the Fourth Proportional to 199,029.27, 274,657.66 and 112,987.50

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Solution

The fourth proportional to 199,029.27, 274,657.66 and 112,987.50 is: 155,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,029.27 : 274,657.66 = 112,987.50 : x
  2. Step 2: Convert to fraction form
    199,029.27/274,657.66 = 112,987.50/x
  3. Step 3: Cross multiply
    199,029.27x = 274,657.66 × 112,987.50
  4. Step 4: Simplify right side
    199,029.27x = 31,032,882,359.25
  5. Step 5: Solve for x
    x = 31,032,882,359.25/199,029.27
  6. Step 6: Final answer
    x = 155,921.20

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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.