Home / 100,682.19-151,019.78-25,802.96

Finding the Fourth Proportional to 100,682.19, 151,019.78 and 25,802.96

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Solution

The fourth proportional to 100,682.19, 151,019.78 and 25,802.96 is: 38,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,682.19 : 151,019.78 = 25,802.96 : x
  2. Step 2: Convert to fraction form
    100,682.19/151,019.78 = 25,802.96/x
  3. Step 3: Cross multiply
    100,682.19x = 151,019.78 × 25,802.96
  4. Step 4: Simplify right side
    100,682.19x = 3,896,756,458.44
  5. Step 5: Solve for x
    x = 3,896,756,458.44/100,682.19
  6. Step 6: Final answer
    x = 38,703.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.