Home / 251,250.86-376,795.27-82,731.12

Finding the Fourth Proportional to 251,250.86, 376,795.27 and 82,731.12

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Solution

The fourth proportional to 251,250.86, 376,795.27 and 82,731.12 is: 124,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,250.86 : 376,795.27 = 82,731.12 : x
  2. Step 2: Convert to fraction form
    251,250.86/376,795.27 = 82,731.12/x
  3. Step 3: Cross multiply
    251,250.86x = 376,795.27 × 82,731.12
  4. Step 4: Simplify right side
    251,250.86x = 31,172,695,275.03
  5. Step 5: Solve for x
    x = 31,172,695,275.03/251,250.86
  6. Step 6: Final answer
    x = 124,070.00

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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.