Home / 140,418.12-193,777.02-76,756.18

Finding the Fourth Proportional to 140,418.12, 193,777.02 and 76,756.18

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Solution

The fourth proportional to 140,418.12, 193,777.02 and 76,756.18 is: 105,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,418.12 : 193,777.02 = 76,756.18 : x
  2. Step 2: Convert to fraction form
    140,418.12/193,777.02 = 76,756.18/x
  3. Step 3: Cross multiply
    140,418.12x = 193,777.02 × 76,756.18
  4. Step 4: Simplify right side
    140,418.12x = 14,873,583,826.98
  5. Step 5: Solve for x
    x = 14,873,583,826.98/140,418.12
  6. Step 6: Final answer
    x = 105,923.54

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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.