Home / 117,194.27-161,728.03-63,479.16

Finding the Fourth Proportional to 117,194.27, 161,728.03 and 63,479.16

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Solution

The fourth proportional to 117,194.27, 161,728.03 and 63,479.16 is: 87,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,194.27 : 161,728.03 = 63,479.16 : x
  2. Step 2: Convert to fraction form
    117,194.27/161,728.03 = 63,479.16/x
  3. Step 3: Cross multiply
    117,194.27x = 161,728.03 × 63,479.16
  4. Step 4: Simplify right side
    117,194.27x = 10,266,358,366.82
  5. Step 5: Solve for x
    x = 10,266,358,366.82/117,194.27
  6. Step 6: Final answer
    x = 87,601.20

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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.