Home / 311,040.16-466,634.28-100,678.08

Finding the Fourth Proportional to 311,040.16, 466,634.28 and 100,678.08

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Solution

The fourth proportional to 311,040.16, 466,634.28 and 100,678.08 is: 151,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,040.16 : 466,634.28 = 100,678.08 : x
  2. Step 2: Convert to fraction form
    311,040.16/466,634.28 = 100,678.08/x
  3. Step 3: Cross multiply
    311,040.16x = 466,634.28 × 100,678.08
  4. Step 4: Simplify right side
    311,040.16x = 46,979,843,372.58
  5. Step 5: Solve for x
    x = 46,979,843,372.58/311,040.16
  6. Step 6: Final answer
    x = 151,041.09

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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.