Home / 207,422.08-286,247.46-116,781.04

Finding the Fourth Proportional to 207,422.08, 286,247.46 and 116,781.04

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Solution

The fourth proportional to 207,422.08, 286,247.46 and 116,781.04 is: 161,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,422.08 : 286,247.46 = 116,781.04 : x
  2. Step 2: Convert to fraction form
    207,422.08/286,247.46 = 116,781.04/x
  3. Step 3: Cross multiply
    207,422.08x = 286,247.46 × 116,781.04
  4. Step 4: Simplify right side
    207,422.08x = 33,428,276,076.16
  5. Step 5: Solve for x
    x = 33,428,276,076.16/207,422.08
  6. Step 6: Final answer
    x = 161,160.64

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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.