Home / 142,165.85-196,267.67-96,910.31

Finding the Fourth Proportional to 142,165.85, 196,267.67 and 96,910.31

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Solution

The fourth proportional to 142,165.85, 196,267.67 and 96,910.31 is: 133,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,165.85 : 196,267.67 = 96,910.31 : x
  2. Step 2: Convert to fraction form
    142,165.85/196,267.67 = 96,910.31/x
  3. Step 3: Cross multiply
    142,165.85x = 196,267.67 × 96,910.31
  4. Step 4: Simplify right side
    142,165.85x = 19,020,359,276.79
  5. Step 5: Solve for x
    x = 19,020,359,276.79/142,165.85
  6. Step 6: Final answer
    x = 133,789.94

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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.