Home / 142,383.06-196,486.21-101,622.24

Finding the Fourth Proportional to 142,383.06, 196,486.21 and 101,622.24

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Solution

The fourth proportional to 142,383.06, 196,486.21 and 101,622.24 is: 140,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,383.06 : 196,486.21 = 101,622.24 : x
  2. Step 2: Convert to fraction form
    142,383.06/196,486.21 = 101,622.24/x
  3. Step 3: Cross multiply
    142,383.06x = 196,486.21 × 101,622.24
  4. Step 4: Simplify right side
    142,383.06x = 19,967,368,789.31
  5. Step 5: Solve for x
    x = 19,967,368,789.31/142,383.06
  6. Step 6: Final answer
    x = 140,236.97

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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.