Home / 165,021.98-227,684.39-93,400.47

Finding the Fourth Proportional to 165,021.98, 227,684.39 and 93,400.47

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Solution

The fourth proportional to 165,021.98, 227,684.39 and 93,400.47 is: 128,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,021.98 : 227,684.39 = 93,400.47 : x
  2. Step 2: Convert to fraction form
    165,021.98/227,684.39 = 93,400.47/x
  3. Step 3: Cross multiply
    165,021.98x = 227,684.39 × 93,400.47
  4. Step 4: Simplify right side
    165,021.98x = 21,265,828,570.66
  5. Step 5: Solve for x
    x = 21,265,828,570.66/165,021.98
  6. Step 6: Final answer
    x = 128,866.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.