Home / 306,642.24-459,931.01-82,025.35

Finding the Fourth Proportional to 306,642.24, 459,931.01 and 82,025.35

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Solution

The fourth proportional to 306,642.24, 459,931.01 and 82,025.35 is: 123,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,642.24 : 459,931.01 = 82,025.35 : x
  2. Step 2: Convert to fraction form
    306,642.24/459,931.01 = 82,025.35/x
  3. Step 3: Cross multiply
    306,642.24x = 459,931.01 × 82,025.35
  4. Step 4: Simplify right side
    306,642.24x = 37,726,000,511.15
  5. Step 5: Solve for x
    x = 37,726,000,511.15/306,642.24
  6. Step 6: Final answer
    x = 123,029.37

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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.