Home / 207,181.24-310,772.02-88,775.80

Finding the Fourth Proportional to 207,181.24, 310,772.02 and 88,775.80

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Solution

The fourth proportional to 207,181.24, 310,772.02 and 88,775.80 is: 133,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,181.24 : 310,772.02 = 88,775.80 : x
  2. Step 2: Convert to fraction form
    207,181.24/310,772.02 = 88,775.80/x
  3. Step 3: Cross multiply
    207,181.24x = 310,772.02 × 88,775.80
  4. Step 4: Simplify right side
    207,181.24x = 27,589,034,693.12
  5. Step 5: Solve for x
    x = 27,589,034,693.12/207,181.24
  6. Step 6: Final answer
    x = 133,163.77

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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.