Home / 207,139.25-285,849.44-116,495.18

Finding the Fourth Proportional to 207,139.25, 285,849.44 and 116,495.18

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Solution

The fourth proportional to 207,139.25, 285,849.44 and 116,495.18 is: 160,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,139.25 : 285,849.44 = 116,495.18 : x
  2. Step 2: Convert to fraction form
    207,139.25/285,849.44 = 116,495.18/x
  3. Step 3: Cross multiply
    207,139.25x = 285,849.44 × 116,495.18
  4. Step 4: Simplify right side
    207,139.25x = 33,300,079,953.98
  5. Step 5: Solve for x
    x = 33,300,079,953.98/207,139.25
  6. Step 6: Final answer
    x = 160,761.81

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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.