Home / 313,526.12-469,967.07-123,909.44

Finding the Fourth Proportional to 313,526.12, 469,967.07 and 123,909.44

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Solution

The fourth proportional to 313,526.12, 469,967.07 and 123,909.44 is: 185,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,526.12 : 469,967.07 = 123,909.44 : x
  2. Step 2: Convert to fraction form
    313,526.12/469,967.07 = 123,909.44/x
  3. Step 3: Cross multiply
    313,526.12x = 469,967.07 × 123,909.44
  4. Step 4: Simplify right side
    313,526.12x = 58,233,356,462.14
  5. Step 5: Solve for x
    x = 58,233,356,462.14/313,526.12
  6. Step 6: Final answer
    x = 185,736.86

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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.