Home / 115,904.44-159,791.09-99,089.32

Finding the Fourth Proportional to 115,904.44, 159,791.09 and 99,089.32

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Solution

The fourth proportional to 115,904.44, 159,791.09 and 99,089.32 is: 136,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,904.44 : 159,791.09 = 99,089.32 : x
  2. Step 2: Convert to fraction form
    115,904.44/159,791.09 = 99,089.32/x
  3. Step 3: Cross multiply
    115,904.44x = 159,791.09 × 99,089.32
  4. Step 4: Simplify right side
    115,904.44x = 15,833,589,954.71
  5. Step 5: Solve for x
    x = 15,833,589,954.71/115,904.44
  6. Step 6: Final answer
    x = 136,609.00

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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.