Home / 140,860.44-194,388.94-77,196.88

Finding the Fourth Proportional to 140,860.44, 194,388.94 and 77,196.88

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Solution

The fourth proportional to 140,860.44, 194,388.94 and 77,196.88 is: 106,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,860.44 : 194,388.94 = 77,196.88 : x
  2. Step 2: Convert to fraction form
    140,860.44/194,388.94 = 77,196.88/x
  3. Step 3: Cross multiply
    140,860.44x = 194,388.94 × 77,196.88
  4. Step 4: Simplify right side
    140,860.44x = 15,006,219,674.51
  5. Step 5: Solve for x
    x = 15,006,219,674.51/140,860.44
  6. Step 6: Final answer
    x = 106,532.53

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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.