Home / 229,249.10-343,875.90-69,326.30

Finding the Fourth Proportional to 229,249.10, 343,875.90 and 69,326.30

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Solution

The fourth proportional to 229,249.10, 343,875.90 and 69,326.30 is: 103,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,249.10 : 343,875.90 = 69,326.30 : x
  2. Step 2: Convert to fraction form
    229,249.10/343,875.90 = 69,326.30/x
  3. Step 3: Cross multiply
    229,249.10x = 343,875.90 × 69,326.30
  4. Step 4: Simplify right side
    229,249.10x = 23,839,643,806.17
  5. Step 5: Solve for x
    x = 23,839,643,806.17/229,249.10
  6. Step 6: Final answer
    x = 103,990.13

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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.