Home / 295,167.57-442,783.02-81,936.39

Finding the Fourth Proportional to 295,167.57, 442,783.02 and 81,936.39

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Solution

The fourth proportional to 295,167.57, 442,783.02 and 81,936.39 is: 122,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,167.57 : 442,783.02 = 81,936.39 : x
  2. Step 2: Convert to fraction form
    295,167.57/442,783.02 = 81,936.39/x
  3. Step 3: Cross multiply
    295,167.57x = 442,783.02 × 81,936.39
  4. Step 4: Simplify right side
    295,167.57x = 36,280,042,212.10
  5. Step 5: Solve for x
    x = 36,280,042,212.10/295,167.57
  6. Step 6: Final answer
    x = 122,913.37

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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.