Home / 165,765.26-228,749.90-101,342.40

Finding the Fourth Proportional to 165,765.26, 228,749.90 and 101,342.40

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Solution

The fourth proportional to 165,765.26, 228,749.90 and 101,342.40 is: 139,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,765.26 : 228,749.90 = 101,342.40 : x
  2. Step 2: Convert to fraction form
    165,765.26/228,749.90 = 101,342.40/x
  3. Step 3: Cross multiply
    165,765.26x = 228,749.90 × 101,342.40
  4. Step 4: Simplify right side
    165,765.26x = 23,182,063,865.76
  5. Step 5: Solve for x
    x = 23,182,063,865.76/165,765.26
  6. Step 6: Final answer
    x = 139,848.75

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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.