Home / 190,447.07-262,844.19-109,902.29

Finding the Fourth Proportional to 190,447.07, 262,844.19 and 109,902.29

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Solution

The fourth proportional to 190,447.07, 262,844.19 and 109,902.29 is: 151,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,447.07 : 262,844.19 = 109,902.29 : x
  2. Step 2: Convert to fraction form
    190,447.07/262,844.19 = 109,902.29/x
  3. Step 3: Cross multiply
    190,447.07x = 262,844.19 × 109,902.29
  4. Step 4: Simplify right side
    190,447.07x = 28,887,177,079.97
  5. Step 5: Solve for x
    x = 28,887,177,079.97/190,447.07
  6. Step 6: Final answer
    x = 151,680.87

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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.