Home / 140,190.07-210,233.15-50,218.76

Finding the Fourth Proportional to 140,190.07, 210,233.15 and 50,218.76

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Solution

The fourth proportional to 140,190.07, 210,233.15 and 50,218.76 is: 75,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,190.07 : 210,233.15 = 50,218.76 : x
  2. Step 2: Convert to fraction form
    140,190.07/210,233.15 = 50,218.76/x
  3. Step 3: Cross multiply
    140,190.07x = 210,233.15 × 50,218.76
  4. Step 4: Simplify right side
    140,190.07x = 10,557,646,801.63
  5. Step 5: Solve for x
    x = 10,557,646,801.63/140,190.07
  6. Step 6: Final answer
    x = 75,309.52

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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.