Home / 230,961.78-346,151.07-112,670.10

Finding the Fourth Proportional to 230,961.78, 346,151.07 and 112,670.10

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Solution

The fourth proportional to 230,961.78, 346,151.07 and 112,670.10 is: 168,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,961.78 : 346,151.07 = 112,670.10 : x
  2. Step 2: Convert to fraction form
    230,961.78/346,151.07 = 112,670.10/x
  3. Step 3: Cross multiply
    230,961.78x = 346,151.07 × 112,670.10
  4. Step 4: Simplify right side
    230,961.78x = 39,000,875,672.01
  5. Step 5: Solve for x
    x = 39,000,875,672.01/230,961.78
  6. Step 6: Final answer
    x = 168,862.90

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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.