Home / 207,921.92-286,710.72-167,593.28

Finding the Fourth Proportional to 207,921.92, 286,710.72 and 167,593.28

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Solution

The fourth proportional to 207,921.92, 286,710.72 and 167,593.28 is: 231,100.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,921.92 : 286,710.72 = 167,593.28 : x
  2. Step 2: Convert to fraction form
    207,921.92/286,710.72 = 167,593.28/x
  3. Step 3: Cross multiply
    207,921.92x = 286,710.72 × 167,593.28
  4. Step 4: Simplify right side
    207,921.92x = 48,050,789,975.96
  5. Step 5: Solve for x
    x = 48,050,789,975.96/207,921.92
  6. Step 6: Final answer
    x = 231,100.16

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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.