Home / 306,640.08-459,927.77-82,023.18

Finding the Fourth Proportional to 306,640.08, 459,927.77 and 82,023.18

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Solution

The fourth proportional to 306,640.08, 459,927.77 and 82,023.18 is: 123,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,640.08 : 459,927.77 = 82,023.18 : x
  2. Step 2: Convert to fraction form
    306,640.08/459,927.77 = 82,023.18/x
  3. Step 3: Cross multiply
    306,640.08x = 459,927.77 × 82,023.18
  4. Step 4: Simplify right side
    306,640.08x = 37,724,739,179.34
  5. Step 5: Solve for x
    x = 37,724,739,179.34/306,640.08
  6. Step 6: Final answer
    x = 123,026.12

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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.