Home / 106,734.56-159,958.68-83,070.64

Finding the Fourth Proportional to 106,734.56, 159,958.68 and 83,070.64

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Solution

The fourth proportional to 106,734.56, 159,958.68 and 83,070.64 is: 124,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,734.56 : 159,958.68 = 83,070.64 : x
  2. Step 2: Convert to fraction form
    106,734.56/159,958.68 = 83,070.64/x
  3. Step 3: Cross multiply
    106,734.56x = 159,958.68 × 83,070.64
  4. Step 4: Simplify right side
    106,734.56x = 13,287,869,921.16
  5. Step 5: Solve for x
    x = 13,287,869,921.16/106,734.56
  6. Step 6: Final answer
    x = 124,494.54

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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.