Home / 168,395.12-232,383.78-92,942

Finding the Fourth Proportional to 168,395.12, 232,383.78 and 92,942

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Solution

The fourth proportional to 168,395.12, 232,383.78 and 92,942 is: 128,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,395.12 : 232,383.78 = 92,942 : x
  2. Step 2: Convert to fraction form
    168,395.12/232,383.78 = 92,942/x
  3. Step 3: Cross multiply
    168,395.12x = 232,383.78 × 92,942
  4. Step 4: Simplify right side
    168,395.12x = 21,598,213,280.76
  5. Step 5: Solve for x
    x = 21,598,213,280.76/168,395.12
  6. Step 6: Final answer
    x = 128,259.14

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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.