Home / 165,822.60-248,735.07-70,972.86

Finding the Fourth Proportional to 165,822.60, 248,735.07 and 70,972.86

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Solution

The fourth proportional to 165,822.60, 248,735.07 and 70,972.86 is: 106,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,822.60 : 248,735.07 = 70,972.86 : x
  2. Step 2: Convert to fraction form
    165,822.60/248,735.07 = 70,972.86/x
  3. Step 3: Cross multiply
    165,822.60x = 248,735.07 × 70,972.86
  4. Step 4: Simplify right side
    165,822.60x = 17,653,439,300.20
  5. Step 5: Solve for x
    x = 17,653,439,300.20/165,822.60
  6. Step 6: Final answer
    x = 106,459.79

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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.