Home / 212,922.28-293,758.53-136,483.52

Finding the Fourth Proportional to 212,922.28, 293,758.53 and 136,483.52

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Solution

The fourth proportional to 212,922.28, 293,758.53 and 136,483.52 is: 188,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.28 : 293,758.53 = 136,483.52 : x
  2. Step 2: Convert to fraction form
    212,922.28/293,758.53 = 136,483.52/x
  3. Step 3: Cross multiply
    212,922.28x = 293,758.53 × 136,483.52
  4. Step 4: Simplify right side
    212,922.28x = 40,093,198,201.60
  5. Step 5: Solve for x
    x = 40,093,198,201.60/212,922.28
  6. Step 6: Final answer
    x = 188,299.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.