Home / 124,844.09-172,285.43-68,255.46

Finding the Fourth Proportional to 124,844.09, 172,285.43 and 68,255.46

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Solution

The fourth proportional to 124,844.09, 172,285.43 and 68,255.46 is: 94,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.09 : 172,285.43 = 68,255.46 : x
  2. Step 2: Convert to fraction form
    124,844.09/172,285.43 = 68,255.46/x
  3. Step 3: Cross multiply
    124,844.09x = 172,285.43 × 68,255.46
  4. Step 4: Simplify right side
    124,844.09x = 11,759,420,934.67
  5. Step 5: Solve for x
    x = 11,759,420,934.67/124,844.09
  6. Step 6: Final answer
    x = 94,192.86

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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.