Home / 115,544.80-173,317.20-68,111.20

Finding the Fourth Proportional to 115,544.80, 173,317.20 and 68,111.20

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Solution

The fourth proportional to 115,544.80, 173,317.20 and 68,111.20 is: 102,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,544.80 : 173,317.20 = 68,111.20 : x
  2. Step 2: Convert to fraction form
    115,544.80/173,317.20 = 68,111.20/x
  3. Step 3: Cross multiply
    115,544.80x = 173,317.20 × 68,111.20
  4. Step 4: Simplify right side
    115,544.80x = 11,804,842,472.64
  5. Step 5: Solve for x
    x = 11,804,842,472.64/115,544.80
  6. Step 6: Final answer
    x = 102,166.80

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1.5x scale

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.