Home / 121,794.84-182,433.06-69,177.24

Finding the Fourth Proportional to 121,794.84, 182,433.06 and 69,177.24

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Solution

The fourth proportional to 121,794.84, 182,433.06 and 69,177.24 is: 103,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,794.84 : 182,433.06 = 69,177.24 : x
  2. Step 2: Convert to fraction form
    121,794.84/182,433.06 = 69,177.24/x
  3. Step 3: Cross multiply
    121,794.84x = 182,433.06 × 69,177.24
  4. Step 4: Simplify right side
    121,794.84x = 12,620,215,575.55
  5. Step 5: Solve for x
    x = 12,620,215,575.55/121,794.84
  6. Step 6: Final answer
    x = 103,618.64

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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.