Home / 152,998.03-211,076.78-88,455.41

Finding the Fourth Proportional to 152,998.03, 211,076.78 and 88,455.41

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Solution

The fourth proportional to 152,998.03, 211,076.78 and 88,455.41 is: 122,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,998.03 : 211,076.78 = 88,455.41 : x
  2. Step 2: Convert to fraction form
    152,998.03/211,076.78 = 88,455.41/x
  3. Step 3: Cross multiply
    152,998.03x = 211,076.78 × 88,455.41
  4. Step 4: Simplify right side
    152,998.03x = 18,670,882,809.83
  5. Step 5: Solve for x
    x = 18,670,882,809.83/152,998.03
  6. Step 6: Final answer
    x = 122,033.49

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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.