Home / 212,576.02-318,882.39-54,803.14

Finding the Fourth Proportional to 212,576.02, 318,882.39 and 54,803.14

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Solution

The fourth proportional to 212,576.02, 318,882.39 and 54,803.14 is: 82,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,576.02 : 318,882.39 = 54,803.14 : x
  2. Step 2: Convert to fraction form
    212,576.02/318,882.39 = 54,803.14/x
  3. Step 3: Cross multiply
    212,576.02x = 318,882.39 × 54,803.14
  4. Step 4: Simplify right side
    212,576.02x = 17,475,756,262.70
  5. Step 5: Solve for x
    x = 17,475,756,262.70/212,576.02
  6. Step 6: Final answer
    x = 82,209.44

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1.5x scale

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.