Home / 122,149.41-168,569.47-68,433.24

Finding the Fourth Proportional to 122,149.41, 168,569.47 and 68,433.24

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Solution

The fourth proportional to 122,149.41, 168,569.47 and 68,433.24 is: 94,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,149.41 : 168,569.47 = 68,433.24 : x
  2. Step 2: Convert to fraction form
    122,149.41/168,569.47 = 68,433.24/x
  3. Step 3: Cross multiply
    122,149.41x = 168,569.47 × 68,433.24
  4. Step 4: Simplify right side
    122,149.41x = 11,535,754,997.18
  5. Step 5: Solve for x
    x = 11,535,754,997.18/122,149.41
  6. Step 6: Final answer
    x = 94,439.71

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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.