Home / 203,545.42-280,911.57-117,507.22

Finding the Fourth Proportional to 203,545.42, 280,911.57 and 117,507.22

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Solution

The fourth proportional to 203,545.42, 280,911.57 and 117,507.22 is: 162,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,545.42 : 280,911.57 = 117,507.22 : x
  2. Step 2: Convert to fraction form
    203,545.42/280,911.57 = 117,507.22/x
  3. Step 3: Cross multiply
    203,545.42x = 280,911.57 × 117,507.22
  4. Step 4: Simplify right side
    203,545.42x = 33,009,137,656.54
  5. Step 5: Solve for x
    x = 33,009,137,656.54/203,545.42
  6. Step 6: Final answer
    x = 162,170.87

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1.5x scale

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.