Home / 136,112.12-204,226.74-47,317.28

Finding the Fourth Proportional to 136,112.12, 204,226.74 and 47,317.28

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Solution

The fourth proportional to 136,112.12, 204,226.74 and 47,317.28 is: 70,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,112.12 : 204,226.74 = 47,317.28 : x
  2. Step 2: Convert to fraction form
    136,112.12/204,226.74 = 47,317.28/x
  3. Step 3: Cross multiply
    136,112.12x = 204,226.74 × 47,317.28
  4. Step 4: Simplify right side
    136,112.12x = 9,663,453,840.07
  5. Step 5: Solve for x
    x = 9,663,453,840.07/136,112.12
  6. Step 6: Final answer
    x = 70,996.28

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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.