Home / 128,284.97-192,435.35-49,399.27

Finding the Fourth Proportional to 128,284.97, 192,435.35 and 49,399.27

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Solution

The fourth proportional to 128,284.97, 192,435.35 and 49,399.27 is: 74,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,284.97 : 192,435.35 = 49,399.27 : x
  2. Step 2: Convert to fraction form
    128,284.97/192,435.35 = 49,399.27/x
  3. Step 3: Cross multiply
    128,284.97x = 192,435.35 × 49,399.27
  4. Step 4: Simplify right side
    128,284.97x = 9,506,165,084.11
  5. Step 5: Solve for x
    x = 9,506,165,084.11/128,284.97
  6. Step 6: Final answer
    x = 74,101.94

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1.5x scale

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.