Home / 143,719.34-215,605.11-48,944.66

Finding the Fourth Proportional to 143,719.34, 215,605.11 and 48,944.66

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Solution

The fourth proportional to 143,719.34, 215,605.11 and 48,944.66 is: 73,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,719.34 : 215,605.11 = 48,944.66 : x
  2. Step 2: Convert to fraction form
    143,719.34/215,605.11 = 48,944.66/x
  3. Step 3: Cross multiply
    143,719.34x = 215,605.11 × 48,944.66
  4. Step 4: Simplify right side
    143,719.34x = 10,552,718,803.21
  5. Step 5: Solve for x
    x = 10,552,718,803.21/143,719.34
  6. Step 6: Final answer
    x = 73,425.88

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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.