Home / 190,422.11-262,810.49-109,833.91

Finding the Fourth Proportional to 190,422.11, 262,810.49 and 109,833.91

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Solution

The fourth proportional to 190,422.11, 262,810.49 and 109,833.91 is: 151,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,422.11 : 262,810.49 = 109,833.91 : x
  2. Step 2: Convert to fraction form
    190,422.11/262,810.49 = 109,833.91/x
  3. Step 3: Cross multiply
    190,422.11x = 262,810.49 × 109,833.91
  4. Step 4: Simplify right side
    190,422.11x = 28,865,502,499.52
  5. Step 5: Solve for x
    x = 28,865,502,499.52/190,422.11
  6. Step 6: Final answer
    x = 151,586.93

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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.