Home / 207,221.18-285,964.74-116,577.12

Finding the Fourth Proportional to 207,221.18, 285,964.74 and 116,577.12

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Solution

The fourth proportional to 207,221.18, 285,964.74 and 116,577.12 is: 160,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,221.18 : 285,964.74 = 116,577.12 : x
  2. Step 2: Convert to fraction form
    207,221.18/285,964.74 = 116,577.12/x
  3. Step 3: Cross multiply
    207,221.18x = 285,964.74 × 116,577.12
  4. Step 4: Simplify right side
    207,221.18x = 33,336,945,810.75
  5. Step 5: Solve for x
    x = 33,336,945,810.75/207,221.18
  6. Step 6: Final answer
    x = 160,876.15

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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.