Home / 124,844.07-172,285.43-68,255.45

Finding the Fourth Proportional to 124,844.07, 172,285.43 and 68,255.45

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Solution

The fourth proportional to 124,844.07, 172,285.43 and 68,255.45 is: 94,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.07 : 172,285.43 = 68,255.45 : x
  2. Step 2: Convert to fraction form
    124,844.07/172,285.43 = 68,255.45/x
  3. Step 3: Cross multiply
    124,844.07x = 172,285.43 × 68,255.45
  4. Step 4: Simplify right side
    124,844.07x = 11,759,418,350.39
  5. Step 5: Solve for x
    x = 11,759,418,350.39/124,844.07
  6. Step 6: Final answer
    x = 94,192.85

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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.