Home / 203,582.81-280,760.23-127,108.82

Finding the Fourth Proportional to 203,582.81, 280,760.23 and 127,108.82

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Solution

The fourth proportional to 203,582.81, 280,760.23 and 127,108.82 is: 175,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,582.81 : 280,760.23 = 127,108.82 : x
  2. Step 2: Convert to fraction form
    203,582.81/280,760.23 = 127,108.82/x
  3. Step 3: Cross multiply
    203,582.81x = 280,760.23 × 127,108.82
  4. Step 4: Simplify right side
    203,582.81x = 35,687,101,538.23
  5. Step 5: Solve for x
    x = 35,687,101,538.23/203,582.81
  6. Step 6: Final answer
    x = 175,295.26

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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.