Home / 135,927.72-187,586.51-75,498.62

Finding the Fourth Proportional to 135,927.72, 187,586.51 and 75,498.62

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Solution

The fourth proportional to 135,927.72, 187,586.51 and 75,498.62 is: 104,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,927.72 : 187,586.51 = 75,498.62 : x
  2. Step 2: Convert to fraction form
    135,927.72/187,586.51 = 75,498.62/x
  3. Step 3: Cross multiply
    135,927.72x = 187,586.51 × 75,498.62
  4. Step 4: Simplify right side
    135,927.72x = 14,162,521,320.19
  5. Step 5: Solve for x
    x = 14,162,521,320.19/135,927.72
  6. Step 6: Final answer
    x = 104,191.56

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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.