Home / 197,211.27-272,170.68-116,664.69

Finding the Fourth Proportional to 197,211.27, 272,170.68 and 116,664.69

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Solution

The fourth proportional to 197,211.27, 272,170.68 and 116,664.69 is: 161,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,211.27 : 272,170.68 = 116,664.69 : x
  2. Step 2: Convert to fraction form
    197,211.27/272,170.68 = 116,664.69/x
  3. Step 3: Cross multiply
    197,211.27x = 272,170.68 × 116,664.69
  4. Step 4: Simplify right side
    197,211.27x = 31,752,708,009.29
  5. Step 5: Solve for x
    x = 31,752,708,009.29/197,211.27
  6. Step 6: Final answer
    x = 161,008.59

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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.