Home / 212,037.84-318,164.38-141,009.88

Finding the Fourth Proportional to 212,037.84, 318,164.38 and 141,009.88

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Solution

The fourth proportional to 212,037.84, 318,164.38 and 141,009.88 is: 211,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,037.84 : 318,164.38 = 141,009.88 : x
  2. Step 2: Convert to fraction form
    212,037.84/318,164.38 = 141,009.88/x
  3. Step 3: Cross multiply
    212,037.84x = 318,164.38 × 141,009.88
  4. Step 4: Simplify right side
    212,037.84x = 44,864,321,044.07
  5. Step 5: Solve for x
    x = 44,864,321,044.07/212,037.84
  6. Step 6: Final answer
    x = 211,586.39

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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.