Home / 197,175.06-272,111.40-116,649.72

Finding the Fourth Proportional to 197,175.06, 272,111.40 and 116,649.72

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Solution

The fourth proportional to 197,175.06, 272,111.40 and 116,649.72 is: 160,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,175.06 : 272,111.40 = 116,649.72 : x
  2. Step 2: Convert to fraction form
    197,175.06/272,111.40 = 116,649.72/x
  3. Step 3: Cross multiply
    197,175.06x = 272,111.40 × 116,649.72
  4. Step 4: Simplify right side
    197,175.06x = 31,741,718,618.81
  5. Step 5: Solve for x
    x = 31,741,718,618.81/197,175.06
  6. Step 6: Final answer
    x = 160,982.42

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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.