Home / 197,221.48-272,184.69-116,674.90

Finding the Fourth Proportional to 197,221.48, 272,184.69 and 116,674.90

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Solution

The fourth proportional to 197,221.48, 272,184.69 and 116,674.90 is: 161,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,221.48 : 272,184.69 = 116,674.90 : x
  2. Step 2: Convert to fraction form
    197,221.48/272,184.69 = 116,674.90/x
  3. Step 3: Cross multiply
    197,221.48x = 272,184.69 × 116,674.90
  4. Step 4: Simplify right side
    197,221.48x = 31,757,121,487.28
  5. Step 5: Solve for x
    x = 31,757,121,487.28/197,221.48
  6. Step 6: Final answer
    x = 161,022.63

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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.