Home / 190,768.72-263,213.40-105,864.52

Finding the Fourth Proportional to 190,768.72, 263,213.40 and 105,864.52

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Solution

The fourth proportional to 190,768.72, 263,213.40 and 105,864.52 is: 146,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,768.72 : 263,213.40 = 105,864.52 : x
  2. Step 2: Convert to fraction form
    190,768.72/263,213.40 = 105,864.52/x
  3. Step 3: Cross multiply
    190,768.72x = 263,213.40 × 105,864.52
  4. Step 4: Simplify right side
    190,768.72x = 27,864,960,248.57
  5. Step 5: Solve for x
    x = 27,864,960,248.57/190,768.72
  6. Step 6: Final answer
    x = 146,066.71

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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.