Home / 140,996.18-194,573.39-77,334.23

Finding the Fourth Proportional to 140,996.18, 194,573.39 and 77,334.23

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Solution

The fourth proportional to 140,996.18, 194,573.39 and 77,334.23 is: 106,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,996.18 : 194,573.39 = 77,334.23 : x
  2. Step 2: Convert to fraction form
    140,996.18/194,573.39 = 77,334.23/x
  3. Step 3: Cross multiply
    140,996.18x = 194,573.39 × 77,334.23
  4. Step 4: Simplify right side
    140,996.18x = 15,047,181,934.60
  5. Step 5: Solve for x
    x = 15,047,181,934.60/140,996.18
  6. Step 6: Final answer
    x = 106,720.50

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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.