Home / 136,068.66-204,195.87-47,321.28

Finding the Fourth Proportional to 136,068.66, 204,195.87 and 47,321.28

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Solution

The fourth proportional to 136,068.66, 204,195.87 and 47,321.28 is: 71,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,068.66 : 204,195.87 = 47,321.28 : x
  2. Step 2: Convert to fraction form
    136,068.66/204,195.87 = 47,321.28/x
  3. Step 3: Cross multiply
    136,068.66x = 204,195.87 × 47,321.28
  4. Step 4: Simplify right side
    136,068.66x = 9,662,809,939.11
  5. Step 5: Solve for x
    x = 9,662,809,939.11/136,068.66
  6. Step 6: Final answer
    x = 71,014.22

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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.