Home / 283,100.36-390,691.35-175,704.98

Finding the Fourth Proportional to 283,100.36, 390,691.35 and 175,704.98

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Solution

The fourth proportional to 283,100.36, 390,691.35 and 175,704.98 is: 242,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,100.36 : 390,691.35 = 175,704.98 : x
  2. Step 2: Convert to fraction form
    283,100.36/390,691.35 = 175,704.98/x
  3. Step 3: Cross multiply
    283,100.36x = 390,691.35 × 175,704.98
  4. Step 4: Simplify right side
    283,100.36x = 68,646,414,959.40
  5. Step 5: Solve for x
    x = 68,646,414,959.40/283,100.36
  6. Step 6: Final answer
    x = 242,480.85

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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.