Home / 151,796.84-209,491.62-88,154.60

Finding the Fourth Proportional to 151,796.84, 209,491.62 and 88,154.60

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Solution

The fourth proportional to 151,796.84, 209,491.62 and 88,154.60 is: 121,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,796.84 : 209,491.62 = 88,154.60 : x
  2. Step 2: Convert to fraction form
    151,796.84/209,491.62 = 88,154.60/x
  3. Step 3: Cross multiply
    151,796.84x = 209,491.62 × 88,154.60
  4. Step 4: Simplify right side
    151,796.84x = 18,467,649,964.45
  5. Step 5: Solve for x
    x = 18,467,649,964.45/151,796.84
  6. Step 6: Final answer
    x = 121,660.31

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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.