Home / 162,207.88-223,844.66-90,589.16

Finding the Fourth Proportional to 162,207.88, 223,844.66 and 90,589.16

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Solution

The fourth proportional to 162,207.88, 223,844.66 and 90,589.16 is: 125,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,207.88 : 223,844.66 = 90,589.16 : x
  2. Step 2: Convert to fraction form
    162,207.88/223,844.66 = 90,589.16/x
  3. Step 3: Cross multiply
    162,207.88x = 223,844.66 × 90,589.16
  4. Step 4: Simplify right side
    162,207.88x = 20,277,899,719.89
  5. Step 5: Solve for x
    x = 20,277,899,719.89/162,207.88
  6. Step 6: Final answer
    x = 125,011.80

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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.