Home / 154,803.11-213,636.92-116,493.75

Finding the Fourth Proportional to 154,803.11, 213,636.92 and 116,493.75

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Solution

The fourth proportional to 154,803.11, 213,636.92 and 116,493.75 is: 160,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,803.11 : 213,636.92 = 116,493.75 : x
  2. Step 2: Convert to fraction form
    154,803.11/213,636.92 = 116,493.75/x
  3. Step 3: Cross multiply
    154,803.11x = 213,636.92 × 116,493.75
  4. Step 4: Simplify right side
    154,803.11x = 24,887,365,366.78
  5. Step 5: Solve for x
    x = 24,887,365,366.78/154,803.11
  6. Step 6: Final answer
    x = 160,767.87

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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.