Home / 128,844.41-193,284.83-49,966.61

Finding the Fourth Proportional to 128,844.41, 193,284.83 and 49,966.61

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Solution

The fourth proportional to 128,844.41, 193,284.83 and 49,966.61 is: 74,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,844.41 : 193,284.83 = 49,966.61 : x
  2. Step 2: Convert to fraction form
    128,844.41/193,284.83 = 49,966.61/x
  3. Step 3: Cross multiply
    128,844.41x = 193,284.83 × 49,966.61
  4. Step 4: Simplify right side
    128,844.41x = 9,657,786,878.02
  5. Step 5: Solve for x
    x = 9,657,786,878.02/128,844.41
  6. Step 6: Final answer
    x = 74,956.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.