Home / 197,371.50-272,416.44-136,203.54

Finding the Fourth Proportional to 197,371.50, 272,416.44 and 136,203.54

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Solution

The fourth proportional to 197,371.50, 272,416.44 and 136,203.54 is: 187,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,371.50 : 272,416.44 = 136,203.54 : x
  2. Step 2: Convert to fraction form
    197,371.50/272,416.44 = 136,203.54/x
  3. Step 3: Cross multiply
    197,371.50x = 272,416.44 × 136,203.54
  4. Step 4: Simplify right side
    197,371.50x = 37,104,083,482.20
  5. Step 5: Solve for x
    x = 37,104,083,482.20/197,371.50
  6. Step 6: Final answer
    x = 187,991.09

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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.