Home / 142,695.44-196,917.72-82,266.20

Finding the Fourth Proportional to 142,695.44, 196,917.72 and 82,266.20

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Solution

The fourth proportional to 142,695.44, 196,917.72 and 82,266.20 is: 113,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,695.44 : 196,917.72 = 82,266.20 : x
  2. Step 2: Convert to fraction form
    142,695.44/196,917.72 = 82,266.20/x
  3. Step 3: Cross multiply
    142,695.44x = 196,917.72 × 82,266.20
  4. Step 4: Simplify right side
    142,695.44x = 16,199,672,537.06
  5. Step 5: Solve for x
    x = 16,199,672,537.06/142,695.44
  6. Step 6: Final answer
    x = 113,526.21

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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.