Home / 215,724.51-297,720.89-161,182.04

Finding the Fourth Proportional to 215,724.51, 297,720.89 and 161,182.04

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Solution

The fourth proportional to 215,724.51, 297,720.89 and 161,182.04 is: 222,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,724.51 : 297,720.89 = 161,182.04 : x
  2. Step 2: Convert to fraction form
    215,724.51/297,720.89 = 161,182.04/x
  3. Step 3: Cross multiply
    215,724.51x = 297,720.89 × 161,182.04
  4. Step 4: Simplify right side
    215,724.51x = 47,987,258,106.30
  5. Step 5: Solve for x
    x = 47,987,258,106.30/215,724.51
  6. Step 6: Final answer
    x = 222,446.94

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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.