Home / 203,272.14-280,516.08-112,627.38

Finding the Fourth Proportional to 203,272.14, 280,516.08 and 112,627.38

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Solution

The fourth proportional to 203,272.14, 280,516.08 and 112,627.38 is: 155,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,272.14 : 280,516.08 = 112,627.38 : x
  2. Step 2: Convert to fraction form
    203,272.14/280,516.08 = 112,627.38/x
  3. Step 3: Cross multiply
    203,272.14x = 280,516.08 × 112,627.38
  4. Step 4: Simplify right side
    203,272.14x = 31,593,791,138.27
  5. Step 5: Solve for x
    x = 31,593,791,138.27/203,272.14
  6. Step 6: Final answer
    x = 155,426.08

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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.