Home / 134,655.20-201,987.90-50,406.49

Finding the Fourth Proportional to 134,655.20, 201,987.90 and 50,406.49

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Solution

The fourth proportional to 134,655.20, 201,987.90 and 50,406.49 is: 75,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,655.20 : 201,987.90 = 50,406.49 : x
  2. Step 2: Convert to fraction form
    134,655.20/201,987.90 = 50,406.49/x
  3. Step 3: Cross multiply
    134,655.20x = 201,987.90 × 50,406.49
  4. Step 4: Simplify right side
    134,655.20x = 10,181,501,061.47
  5. Step 5: Solve for x
    x = 10,181,501,061.47/134,655.20
  6. Step 6: Final answer
    x = 75,611.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.