Home / 165,644.18-248,117.20-75,762.58

Finding the Fourth Proportional to 165,644.18, 248,117.20 and 75,762.58

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Solution

The fourth proportional to 165,644.18, 248,117.20 and 75,762.58 is: 113,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,644.18 : 248,117.20 = 75,762.58 : x
  2. Step 2: Convert to fraction form
    165,644.18/248,117.20 = 75,762.58/x
  3. Step 3: Cross multiply
    165,644.18x = 248,117.20 × 75,762.58
  4. Step 4: Simplify right side
    165,644.18x = 18,797,998,734.06
  5. Step 5: Solve for x
    x = 18,797,998,734.06/165,644.18
  6. Step 6: Final answer
    x = 113,484.21

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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.