Home / 133,000.38-183,540.44-85,253.70

Finding the Fourth Proportional to 133,000.38, 183,540.44 and 85,253.70

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Solution

The fourth proportional to 133,000.38, 183,540.44 and 85,253.70 is: 117,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,000.38 : 183,540.44 = 85,253.70 : x
  2. Step 2: Convert to fraction form
    133,000.38/183,540.44 = 85,253.70/x
  3. Step 3: Cross multiply
    133,000.38x = 183,540.44 × 85,253.70
  4. Step 4: Simplify right side
    133,000.38x = 15,647,501,609.63
  5. Step 5: Solve for x
    x = 15,647,501,609.63/133,000.38
  6. Step 6: Final answer
    x = 117,650.05

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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.