Home / 142,383.36-196,528.02-88,636.44

Finding the Fourth Proportional to 142,383.36, 196,528.02 and 88,636.44

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Solution

The fourth proportional to 142,383.36, 196,528.02 and 88,636.44 is: 122,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,383.36 : 196,528.02 = 88,636.44 : x
  2. Step 2: Convert to fraction form
    142,383.36/196,528.02 = 88,636.44/x
  3. Step 3: Cross multiply
    142,383.36x = 196,528.02 × 88,636.44
  4. Step 4: Simplify right side
    142,383.36x = 17,419,544,053.05
  5. Step 5: Solve for x
    x = 17,419,544,053.05/142,383.36
  6. Step 6: Final answer
    x = 122,342.56

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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.