Home / 121,447.40-182,117.56-54,884.84

Finding the Fourth Proportional to 121,447.40, 182,117.56 and 54,884.84

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Solution

The fourth proportional to 121,447.40, 182,117.56 and 54,884.84 is: 82,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,447.40 : 182,117.56 = 54,884.84 : x
  2. Step 2: Convert to fraction form
    121,447.40/182,117.56 = 54,884.84/x
  3. Step 3: Cross multiply
    121,447.40x = 182,117.56 × 54,884.84
  4. Step 4: Simplify right side
    121,447.40x = 9,995,493,141.79
  5. Step 5: Solve for x
    x = 9,995,493,141.79/121,447.40
  6. Step 6: Final answer
    x = 82,303.06

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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.