Home / 203,496.10-280,826.90-112,853.45

Finding the Fourth Proportional to 203,496.10, 280,826.90 and 112,853.45

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Solution

The fourth proportional to 203,496.10, 280,826.90 and 112,853.45 is: 155,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.10 : 280,826.90 = 112,853.45 : x
  2. Step 2: Convert to fraction form
    203,496.10/280,826.90 = 112,853.45/x
  3. Step 3: Cross multiply
    203,496.10x = 280,826.90 × 112,853.45
  4. Step 4: Simplify right side
    203,496.10x = 31,692,285,078.81
  5. Step 5: Solve for x
    x = 31,692,285,078.81/203,496.10
  6. Step 6: Final answer
    x = 155,739.03

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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.