Home / 136,722.06-205,089.12-41,945.22

Finding the Fourth Proportional to 136,722.06, 205,089.12 and 41,945.22

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Solution

The fourth proportional to 136,722.06, 205,089.12 and 41,945.22 is: 62,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,722.06 : 205,089.12 = 41,945.22 : x
  2. Step 2: Convert to fraction form
    136,722.06/205,089.12 = 41,945.22/x
  3. Step 3: Cross multiply
    136,722.06x = 205,089.12 × 41,945.22
  4. Step 4: Simplify right side
    136,722.06x = 8,602,508,258.01
  5. Step 5: Solve for x
    x = 8,602,508,258.01/136,722.06
  6. Step 6: Final answer
    x = 62,919.68

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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.