Home / 215,579.32-323,082.40-114,356.52

Finding the Fourth Proportional to 215,579.32, 323,082.40 and 114,356.52

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Solution

The fourth proportional to 215,579.32, 323,082.40 and 114,356.52 is: 171,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,579.32 : 323,082.40 = 114,356.52 : x
  2. Step 2: Convert to fraction form
    215,579.32/323,082.40 = 114,356.52/x
  3. Step 3: Cross multiply
    215,579.32x = 323,082.40 × 114,356.52
  4. Step 4: Simplify right side
    215,579.32x = 36,946,578,937.25
  5. Step 5: Solve for x
    x = 36,946,578,937.25/215,579.32
  6. Step 6: Final answer
    x = 171,382.76

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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.