Home / 203,918.88-281,510.30-127,480.46

Finding the Fourth Proportional to 203,918.88, 281,510.30 and 127,480.46

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Solution

The fourth proportional to 203,918.88, 281,510.30 and 127,480.46 is: 175,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,918.88 : 281,510.30 = 127,480.46 : x
  2. Step 2: Convert to fraction form
    203,918.88/281,510.30 = 127,480.46/x
  3. Step 3: Cross multiply
    203,918.88x = 281,510.30 × 127,480.46
  4. Step 4: Simplify right side
    203,918.88x = 35,887,062,538.74
  5. Step 5: Solve for x
    x = 35,887,062,538.74/203,918.88
  6. Step 6: Final answer
    x = 175,986.95

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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.