Home / 203,541.86-280,921.41-112,927.01

Finding the Fourth Proportional to 203,541.86, 280,921.41 and 112,927.01

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Solution

The fourth proportional to 203,541.86, 280,921.41 and 112,927.01 is: 155,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,541.86 : 280,921.41 = 112,927.01 : x
  2. Step 2: Convert to fraction form
    203,541.86/280,921.41 = 112,927.01/x
  3. Step 3: Cross multiply
    203,541.86x = 280,921.41 × 112,927.01
  4. Step 4: Simplify right side
    203,541.86x = 31,723,614,311.65
  5. Step 5: Solve for x
    x = 31,723,614,311.65/203,541.86
  6. Step 6: Final answer
    x = 155,857.94

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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.