Home / 168,007.39-251,923.58-79,237.06

Finding the Fourth Proportional to 168,007.39, 251,923.58 and 79,237.06

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Solution

The fourth proportional to 168,007.39, 251,923.58 and 79,237.06 is: 118,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,007.39 : 251,923.58 = 79,237.06 : x
  2. Step 2: Convert to fraction form
    168,007.39/251,923.58 = 79,237.06/x
  3. Step 3: Cross multiply
    168,007.39x = 251,923.58 × 79,237.06
  4. Step 4: Simplify right side
    168,007.39x = 19,961,683,823.87
  5. Step 5: Solve for x
    x = 19,961,683,823.87/168,007.39
  6. Step 6: Final answer
    x = 118,814.32

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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.