Home / 190,710.76-263,193.15-105,827.82

Finding the Fourth Proportional to 190,710.76, 263,193.15 and 105,827.82

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Solution

The fourth proportional to 190,710.76, 263,193.15 and 105,827.82 is: 146,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710.76 : 263,193.15 = 105,827.82 : x
  2. Step 2: Convert to fraction form
    190,710.76/263,193.15 = 105,827.82/x
  3. Step 3: Cross multiply
    190,710.76x = 263,193.15 × 105,827.82
  4. Step 4: Simplify right side
    190,710.76x = 27,853,158,687.26
  5. Step 5: Solve for x
    x = 27,853,158,687.26/190,710.76
  6. Step 6: Final answer
    x = 146,049.22

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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.