Home / 229,069.28-343,519.68-79,271.12

Finding the Fourth Proportional to 229,069.28, 343,519.68 and 79,271.12

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Solution

The fourth proportional to 229,069.28, 343,519.68 and 79,271.12 is: 118,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,069.28 : 343,519.68 = 79,271.12 : x
  2. Step 2: Convert to fraction form
    229,069.28/343,519.68 = 79,271.12/x
  3. Step 3: Cross multiply
    229,069.28x = 343,519.68 × 79,271.12
  4. Step 4: Simplify right side
    229,069.28x = 27,231,189,775.64
  5. Step 5: Solve for x
    x = 27,231,189,775.64/229,069.28
  6. Step 6: Final answer
    x = 118,877.53

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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.