Home / 121,351.16-182,084.44-54,811.64

Finding the Fourth Proportional to 121,351.16, 182,084.44 and 54,811.64

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Solution

The fourth proportional to 121,351.16, 182,084.44 and 54,811.64 is: 82,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,351.16 : 182,084.44 = 54,811.64 : x
  2. Step 2: Convert to fraction form
    121,351.16/182,084.44 = 54,811.64/x
  3. Step 3: Cross multiply
    121,351.16x = 182,084.44 × 54,811.64
  4. Step 4: Simplify right side
    121,351.16x = 9,980,346,774.88
  5. Step 5: Solve for x
    x = 9,980,346,774.88/121,351.16
  6. Step 6: Final answer
    x = 82,243.52

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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.