Home / 175,850.72-242,691.36-100,410.56

Finding the Fourth Proportional to 175,850.72, 242,691.36 and 100,410.56

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Solution

The fourth proportional to 175,850.72, 242,691.36 and 100,410.56 is: 138,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,850.72 : 242,691.36 = 100,410.56 : x
  2. Step 2: Convert to fraction form
    175,850.72/242,691.36 = 100,410.56/x
  3. Step 3: Cross multiply
    175,850.72x = 242,691.36 × 100,410.56
  4. Step 4: Simplify right side
    175,850.72x = 24,368,775,364.76
  5. Step 5: Solve for x
    x = 24,368,775,364.76/175,850.72
  6. Step 6: Final answer
    x = 138,576.49

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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.