Home / 190,215.87-262,497.48-109,642.86

Finding the Fourth Proportional to 190,215.87, 262,497.48 and 109,642.86

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Solution

The fourth proportional to 190,215.87, 262,497.48 and 109,642.86 is: 151,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,215.87 : 262,497.48 = 109,642.86 : x
  2. Step 2: Convert to fraction form
    190,215.87/262,497.48 = 109,642.86/x
  3. Step 3: Cross multiply
    190,215.87x = 262,497.48 × 109,642.86
  4. Step 4: Simplify right side
    190,215.87x = 28,780,974,449.99
  5. Step 5: Solve for x
    x = 28,780,974,449.99/190,215.87
  6. Step 6: Final answer
    x = 151,306.90

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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.