Home / 115,983.24-174,016.32-71,558.28

Finding the Fourth Proportional to 115,983.24, 174,016.32 and 71,558.28

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Solution

The fourth proportional to 115,983.24, 174,016.32 and 71,558.28 is: 107,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,983.24 : 174,016.32 = 71,558.28 : x
  2. Step 2: Convert to fraction form
    115,983.24/174,016.32 = 71,558.28/x
  3. Step 3: Cross multiply
    115,983.24x = 174,016.32 × 71,558.28
  4. Step 4: Simplify right side
    115,983.24x = 12,452,308,551.13
  5. Step 5: Solve for x
    x = 12,452,308,551.13/115,983.24
  6. Step 6: Final answer
    x = 107,363.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.