Home / 122,005.28-168,374.76-68,293.64

Finding the Fourth Proportional to 122,005.28, 168,374.76 and 68,293.64

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Solution

The fourth proportional to 122,005.28, 168,374.76 and 68,293.64 is: 94,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.28 : 168,374.76 = 68,293.64 : x
  2. Step 2: Convert to fraction form
    122,005.28/168,374.76 = 68,293.64/x
  3. Step 3: Cross multiply
    122,005.28x = 168,374.76 × 68,293.64
  4. Step 4: Simplify right side
    122,005.28x = 11,498,925,244.53
  5. Step 5: Solve for x
    x = 11,498,925,244.53/122,005.28
  6. Step 6: Final answer
    x = 94,249.41

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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.