Home / 190,712.70-263,195.82-105,829.76

Finding the Fourth Proportional to 190,712.70, 263,195.82 and 105,829.76

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Solution

The fourth proportional to 190,712.70, 263,195.82 and 105,829.76 is: 146,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,712.70 : 263,195.82 = 105,829.76 : x
  2. Step 2: Convert to fraction form
    190,712.70/263,195.82 = 105,829.76/x
  3. Step 3: Cross multiply
    190,712.70x = 263,195.82 × 105,829.76
  4. Step 4: Simplify right side
    190,712.70x = 27,853,950,202.48
  5. Step 5: Solve for x
    x = 27,853,950,202.48/190,712.70
  6. Step 6: Final answer
    x = 146,051.89

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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.