Home / 131,719.15-197,437.02-56,874.54

Finding the Fourth Proportional to 131,719.15, 197,437.02 and 56,874.54

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Solution

The fourth proportional to 131,719.15, 197,437.02 and 56,874.54 is: 85,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,719.15 : 197,437.02 = 56,874.54 : x
  2. Step 2: Convert to fraction form
    131,719.15/197,437.02 = 56,874.54/x
  3. Step 3: Cross multiply
    131,719.15x = 197,437.02 × 56,874.54
  4. Step 4: Simplify right side
    131,719.15x = 11,229,139,691.47
  5. Step 5: Solve for x
    x = 11,229,139,691.47/131,719.15
  6. Step 6: Final answer
    x = 85,250.62

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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.