Home / 131,813.52-197,689.02-56,892.75

Finding the Fourth Proportional to 131,813.52, 197,689.02 and 56,892.75

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Solution

The fourth proportional to 131,813.52, 197,689.02 and 56,892.75 is: 85,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,813.52 : 197,689.02 = 56,892.75 : x
  2. Step 2: Convert to fraction form
    131,813.52/197,689.02 = 56,892.75/x
  3. Step 3: Cross multiply
    131,813.52x = 197,689.02 × 56,892.75
  4. Step 4: Simplify right side
    131,813.52x = 11,247,071,037.92
  5. Step 5: Solve for x
    x = 11,247,071,037.92/131,813.52
  6. Step 6: Final answer
    x = 85,325.63

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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.