Home / 229,228.55-343,847.07-79,473.72

Finding the Fourth Proportional to 229,228.55, 343,847.07 and 79,473.72

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Solution

The fourth proportional to 229,228.55, 343,847.07 and 79,473.72 is: 119,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,228.55 : 343,847.07 = 79,473.72 : x
  2. Step 2: Convert to fraction form
    229,228.55/343,847.07 = 79,473.72/x
  3. Step 3: Cross multiply
    229,228.55x = 343,847.07 × 79,473.72
  4. Step 4: Simplify right side
    229,228.55x = 27,326,805,764.00
  5. Step 5: Solve for x
    x = 27,326,805,764.00/229,228.55
  6. Step 6: Final answer
    x = 119,212.05

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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.