Home / 142,672.44-196,887.60-82,242.66

Finding the Fourth Proportional to 142,672.44, 196,887.60 and 82,242.66

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Solution

The fourth proportional to 142,672.44, 196,887.60 and 82,242.66 is: 113,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,672.44 : 196,887.60 = 82,242.66 : x
  2. Step 2: Convert to fraction form
    142,672.44/196,887.60 = 82,242.66/x
  3. Step 3: Cross multiply
    142,672.44x = 196,887.60 × 82,242.66
  4. Step 4: Simplify right side
    142,672.44x = 16,192,559,945.02
  5. Step 5: Solve for x
    x = 16,192,559,945.02/142,672.44
  6. Step 6: Final answer
    x = 113,494.66

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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.