Home / 140,797.45-194,298.86-76,265.47

Finding the Fourth Proportional to 140,797.45, 194,298.86 and 76,265.47

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Solution

The fourth proportional to 140,797.45, 194,298.86 and 76,265.47 is: 105,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,797.45 : 194,298.86 = 76,265.47 : x
  2. Step 2: Convert to fraction form
    140,797.45/194,298.86 = 76,265.47/x
  3. Step 3: Cross multiply
    140,797.45x = 194,298.86 × 76,265.47
  4. Step 4: Simplify right side
    140,797.45x = 14,818,292,525.54
  5. Step 5: Solve for x
    x = 14,818,292,525.54/140,797.45
  6. Step 6: Final answer
    x = 105,245.46

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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.