Home / 316,799.97-475,200.18-76,914.33

Finding the Fourth Proportional to 316,799.97, 475,200.18 and 76,914.33

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Solution

The fourth proportional to 316,799.97, 475,200.18 and 76,914.33 is: 115,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,799.97 : 475,200.18 = 76,914.33 : x
  2. Step 2: Convert to fraction form
    316,799.97/475,200.18 = 76,914.33/x
  3. Step 3: Cross multiply
    316,799.97x = 475,200.18 × 76,914.33
  4. Step 4: Simplify right side
    316,799.97x = 36,549,703,460.58
  5. Step 5: Solve for x
    x = 36,549,703,460.58/316,799.97
  6. Step 6: Final answer
    x = 115,371.55

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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.