Home / 165,419.93-248,154.50-76,682.41

Finding the Fourth Proportional to 165,419.93, 248,154.50 and 76,682.41

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Solution

The fourth proportional to 165,419.93, 248,154.50 and 76,682.41 is: 115,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,419.93 : 248,154.50 = 76,682.41 : x
  2. Step 2: Convert to fraction form
    165,419.93/248,154.50 = 76,682.41/x
  3. Step 3: Cross multiply
    165,419.93x = 248,154.50 × 76,682.41
  4. Step 4: Simplify right side
    165,419.93x = 19,029,084,683.66
  5. Step 5: Solve for x
    x = 19,029,084,683.66/165,419.93
  6. Step 6: Final answer
    x = 115,035.02

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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.