Home / 231,088.45-346,631.77-73,329.21

Finding the Fourth Proportional to 231,088.45, 346,631.77 and 73,329.21

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Solution

The fourth proportional to 231,088.45, 346,631.77 and 73,329.21 is: 109,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,088.45 : 346,631.77 = 73,329.21 : x
  2. Step 2: Convert to fraction form
    231,088.45/346,631.77 = 73,329.21/x
  3. Step 3: Cross multiply
    231,088.45x = 346,631.77 × 73,329.21
  4. Step 4: Simplify right side
    231,088.45x = 25,418,233,855.00
  5. Step 5: Solve for x
    x = 25,418,233,855.00/231,088.45
  6. Step 6: Final answer
    x = 109,993.53

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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.