Home / 143,325.68-197,877.96-92,356.40

Finding the Fourth Proportional to 143,325.68, 197,877.96 and 92,356.40

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Solution

The fourth proportional to 143,325.68, 197,877.96 and 92,356.40 is: 127,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,325.68 : 197,877.96 = 92,356.40 : x
  2. Step 2: Convert to fraction form
    143,325.68/197,877.96 = 92,356.40/x
  3. Step 3: Cross multiply
    143,325.68x = 197,877.96 × 92,356.40
  4. Step 4: Simplify right side
    143,325.68x = 18,275,296,024.94
  5. Step 5: Solve for x
    x = 18,275,296,024.94/143,325.68
  6. Step 6: Final answer
    x = 127,508.87

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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.