Home / 140,780.51-194,187.60-92,385.57

Finding the Fourth Proportional to 140,780.51, 194,187.60 and 92,385.57

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Solution

The fourth proportional to 140,780.51, 194,187.60 and 92,385.57 is: 127,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,780.51 : 194,187.60 = 92,385.57 : x
  2. Step 2: Convert to fraction form
    140,780.51/194,187.60 = 92,385.57/x
  3. Step 3: Cross multiply
    140,780.51x = 194,187.60 × 92,385.57
  4. Step 4: Simplify right side
    140,780.51x = 17,940,132,112.93
  5. Step 5: Solve for x
    x = 17,940,132,112.93/140,780.51
  6. Step 6: Final answer
    x = 127,433.36

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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.