Home / 307,486.04-424,312.44-178,414.52

Finding the Fourth Proportional to 307,486.04, 424,312.44 and 178,414.52

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Solution

The fourth proportional to 307,486.04, 424,312.44 and 178,414.52 is: 246,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,486.04 : 424,312.44 = 178,414.52 : x
  2. Step 2: Convert to fraction form
    307,486.04/424,312.44 = 178,414.52/x
  3. Step 3: Cross multiply
    307,486.04x = 424,312.44 × 178,414.52
  4. Step 4: Simplify right side
    307,486.04x = 75,703,500,312.63
  5. Step 5: Solve for x
    x = 75,703,500,312.63/307,486.04
  6. Step 6: Final answer
    x = 246,201.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.