Home / 190,243.89-262,514.07-109,697.88

Finding the Fourth Proportional to 190,243.89, 262,514.07 and 109,697.88

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Solution

The fourth proportional to 190,243.89, 262,514.07 and 109,697.88 is: 151,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,243.89 : 262,514.07 = 109,697.88 : x
  2. Step 2: Convert to fraction form
    190,243.89/262,514.07 = 109,697.88/x
  3. Step 3: Cross multiply
    190,243.89x = 262,514.07 × 109,697.88
  4. Step 4: Simplify right side
    190,243.89x = 28,797,236,949.17
  5. Step 5: Solve for x
    x = 28,797,236,949.17/190,243.89
  6. Step 6: Final answer
    x = 151,370.10

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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.