Home / 199,110.70-274,772.64-109,686.70

Finding the Fourth Proportional to 199,110.70, 274,772.64 and 109,686.70

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Solution

The fourth proportional to 199,110.70, 274,772.64 and 109,686.70 is: 151,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,110.70 : 274,772.64 = 109,686.70 : x
  2. Step 2: Convert to fraction form
    199,110.70/274,772.64 = 109,686.70/x
  3. Step 3: Cross multiply
    199,110.70x = 274,772.64 × 109,686.70
  4. Step 4: Simplify right side
    199,110.70x = 30,138,904,131.89
  5. Step 5: Solve for x
    x = 30,138,904,131.89/199,110.70
  6. Step 6: Final answer
    x = 151,367.58

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1.5x scale

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.