Home / 115,986.15-173,629.08-104,898.06

Finding the Fourth Proportional to 115,986.15, 173,629.08 and 104,898.06

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Solution

The fourth proportional to 115,986.15, 173,629.08 and 104,898.06 is: 157,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,986.15 : 173,629.08 = 104,898.06 : x
  2. Step 2: Convert to fraction form
    115,986.15/173,629.08 = 104,898.06/x
  3. Step 3: Cross multiply
    115,986.15x = 173,629.08 × 104,898.06
  4. Step 4: Simplify right side
    115,986.15x = 18,213,353,651.58
  5. Step 5: Solve for x
    x = 18,213,353,651.58/115,986.15
  6. Step 6: Final answer
    x = 157,030.42

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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.