Home / 140,591.04-194,009.44-86,126.56

Finding the Fourth Proportional to 140,591.04, 194,009.44 and 86,126.56

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Solution

The fourth proportional to 140,591.04, 194,009.44 and 86,126.56 is: 118,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591.04 : 194,009.44 = 86,126.56 : x
  2. Step 2: Convert to fraction form
    140,591.04/194,009.44 = 86,126.56/x
  3. Step 3: Cross multiply
    140,591.04x = 194,009.44 × 86,126.56
  4. Step 4: Simplify right side
    140,591.04x = 16,709,365,674.73
  5. Step 5: Solve for x
    x = 16,709,365,674.73/140,591.04
  6. Step 6: Final answer
    x = 118,850.86

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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.