Home / 134,167.54-201,287.60-45,421.05

Finding the Fourth Proportional to 134,167.54, 201,287.60 and 45,421.05

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Solution

The fourth proportional to 134,167.54, 201,287.60 and 45,421.05 is: 68,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,167.54 : 201,287.60 = 45,421.05 : x
  2. Step 2: Convert to fraction form
    134,167.54/201,287.60 = 45,421.05/x
  3. Step 3: Cross multiply
    134,167.54x = 201,287.60 × 45,421.05
  4. Step 4: Simplify right side
    134,167.54x = 9,142,692,910.44
  5. Step 5: Solve for x
    x = 9,142,692,910.44/134,167.54
  6. Step 6: Final answer
    x = 68,143.85

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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.