Home / 165,693.74-248,427.20-115,800.98

Finding the Fourth Proportional to 165,693.74, 248,427.20 and 115,800.98

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Solution

The fourth proportional to 165,693.74, 248,427.20 and 115,800.98 is: 173,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,693.74 : 248,427.20 = 115,800.98 : x
  2. Step 2: Convert to fraction form
    165,693.74/248,427.20 = 115,800.98/x
  3. Step 3: Cross multiply
    165,693.74x = 248,427.20 × 115,800.98
  4. Step 4: Simplify right side
    165,693.74x = 28,768,113,218.66
  5. Step 5: Solve for x
    x = 28,768,113,218.66/165,693.74
  6. Step 6: Final answer
    x = 173,622.21

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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.