Home / 124,817.36-172,247.72-68,228.73

Finding the Fourth Proportional to 124,817.36, 172,247.72 and 68,228.73

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Solution

The fourth proportional to 124,817.36, 172,247.72 and 68,228.73 is: 94,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,817.36 : 172,247.72 = 68,228.73 : x
  2. Step 2: Convert to fraction form
    124,817.36/172,247.72 = 68,228.73/x
  3. Step 3: Cross multiply
    124,817.36x = 172,247.72 × 68,228.73
  4. Step 4: Simplify right side
    124,817.36x = 11,752,242,839.85
  5. Step 5: Solve for x
    x = 11,752,242,839.85/124,817.36
  6. Step 6: Final answer
    x = 94,155.52

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1.5x scale

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.