Home / 115,986.23-160,053.41-68,230.35

Finding the Fourth Proportional to 115,986.23, 160,053.41 and 68,230.35

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Solution

The fourth proportional to 115,986.23, 160,053.41 and 68,230.35 is: 94,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,986.23 : 160,053.41 = 68,230.35 : x
  2. Step 2: Convert to fraction form
    115,986.23/160,053.41 = 68,230.35/x
  3. Step 3: Cross multiply
    115,986.23x = 160,053.41 × 68,230.35
  4. Step 4: Simplify right side
    115,986.23x = 10,920,500,182.99
  5. Step 5: Solve for x
    x = 10,920,500,182.99/115,986.23
  6. Step 6: Final answer
    x = 94,153.42

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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.