Home / 124,838.10-172,277.07-68,250.42

Finding the Fourth Proportional to 124,838.10, 172,277.07 and 68,250.42

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Solution

The fourth proportional to 124,838.10, 172,277.07 and 68,250.42 is: 94,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.10 : 172,277.07 = 68,250.42 : x
  2. Step 2: Convert to fraction form
    124,838.10/172,277.07 = 68,250.42/x
  3. Step 3: Cross multiply
    124,838.10x = 172,277.07 × 68,250.42
  4. Step 4: Simplify right side
    124,838.10x = 11,757,982,383.87
  5. Step 5: Solve for x
    x = 11,757,982,383.87/124,838.10
  6. Step 6: Final answer
    x = 94,185.85

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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.