Home / 203,654.07-281,221.16-127,303.65

Finding the Fourth Proportional to 203,654.07, 281,221.16 and 127,303.65

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Solution

The fourth proportional to 203,654.07, 281,221.16 and 127,303.65 is: 175,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,654.07 : 281,221.16 = 127,303.65 : x
  2. Step 2: Convert to fraction form
    203,654.07/281,221.16 = 127,303.65/x
  3. Step 3: Cross multiply
    203,654.07x = 281,221.16 × 127,303.65
  4. Step 4: Simplify right side
    203,654.07x = 35,800,479,488.72
  5. Step 5: Solve for x
    x = 35,800,479,488.72/203,654.07
  6. Step 6: Final answer
    x = 175,790.64

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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.