Home / 131,134.80-196,702.07-52,304.39

Finding the Fourth Proportional to 131,134.80, 196,702.07 and 52,304.39

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Solution

The fourth proportional to 131,134.80, 196,702.07 and 52,304.39 is: 78,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134.80 : 196,702.07 = 52,304.39 : x
  2. Step 2: Convert to fraction form
    131,134.80/196,702.07 = 52,304.39/x
  3. Step 3: Cross multiply
    131,134.80x = 196,702.07 × 52,304.39
  4. Step 4: Simplify right side
    131,134.80x = 10,288,380,538.06
  5. Step 5: Solve for x
    x = 10,288,380,538.06/131,134.80
  6. Step 6: Final answer
    x = 78,456.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.