Home / 142,445.71-196,553.22-82,004.66

Finding the Fourth Proportional to 142,445.71, 196,553.22 and 82,004.66

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Solution

The fourth proportional to 142,445.71, 196,553.22 and 82,004.66 is: 113,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,445.71 : 196,553.22 = 82,004.66 : x
  2. Step 2: Convert to fraction form
    142,445.71/196,553.22 = 82,004.66/x
  3. Step 3: Cross multiply
    142,445.71x = 196,553.22 × 82,004.66
  4. Step 4: Simplify right side
    142,445.71x = 16,118,279,978.01
  5. Step 5: Solve for x
    x = 16,118,279,978.01/142,445.71
  6. Step 6: Final answer
    x = 113,153.85

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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.