Home / 115,290.14-159,135.84-67,558.86

Finding the Fourth Proportional to 115,290.14, 159,135.84 and 67,558.86

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Solution

The fourth proportional to 115,290.14, 159,135.84 and 67,558.86 is: 93,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,290.14 : 159,135.84 = 67,558.86 : x
  2. Step 2: Convert to fraction form
    115,290.14/159,135.84 = 67,558.86/x
  3. Step 3: Cross multiply
    115,290.14x = 159,135.84 × 67,558.86
  4. Step 4: Simplify right side
    115,290.14x = 10,751,035,935.54
  5. Step 5: Solve for x
    x = 10,751,035,935.54/115,290.14
  6. Step 6: Final answer
    x = 93,252.00

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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.