Home / 251,125.29-376,718.91-82,602.36

Finding the Fourth Proportional to 251,125.29, 376,718.91 and 82,602.36

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Solution

The fourth proportional to 251,125.29, 376,718.91 and 82,602.36 is: 123,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,125.29 : 376,718.91 = 82,602.36 : x
  2. Step 2: Convert to fraction form
    251,125.29/376,718.91 = 82,602.36/x
  3. Step 3: Cross multiply
    251,125.29x = 376,718.91 × 82,602.36
  4. Step 4: Simplify right side
    251,125.29x = 31,117,871,022.63
  5. Step 5: Solve for x
    x = 31,117,871,022.63/251,125.29
  6. Step 6: Final answer
    x = 123,913.73

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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.