Home / 319,983.14-480,002.27-83,326.25

Finding the Fourth Proportional to 319,983.14, 480,002.27 and 83,326.25

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Solution

The fourth proportional to 319,983.14, 480,002.27 and 83,326.25 is: 124,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,983.14 : 480,002.27 = 83,326.25 : x
  2. Step 2: Convert to fraction form
    319,983.14/480,002.27 = 83,326.25/x
  3. Step 3: Cross multiply
    319,983.14x = 480,002.27 × 83,326.25
  4. Step 4: Simplify right side
    319,983.14x = 39,996,786,333.94
  5. Step 5: Solve for x
    x = 39,996,786,333.94/319,983.14
  6. Step 6: Final answer
    x = 124,996.55

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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.