Home / 115,927.74-159,707.16-108,952.58

Finding the Fourth Proportional to 115,927.74, 159,707.16 and 108,952.58

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Solution

The fourth proportional to 115,927.74, 159,707.16 and 108,952.58 is: 150,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,927.74 : 159,707.16 = 108,952.58 : x
  2. Step 2: Convert to fraction form
    115,927.74/159,707.16 = 108,952.58/x
  3. Step 3: Cross multiply
    115,927.74x = 159,707.16 × 108,952.58
  4. Step 4: Simplify right side
    115,927.74x = 17,400,507,126.47
  5. Step 5: Solve for x
    x = 17,400,507,126.47/115,927.74
  6. Step 6: Final answer
    x = 150,097.87

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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.