Home / 128,052.83-192,088.59-49,167.09

Finding the Fourth Proportional to 128,052.83, 192,088.59 and 49,167.09

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Solution

The fourth proportional to 128,052.83, 192,088.59 and 49,167.09 is: 73,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,052.83 : 192,088.59 = 49,167.09 : x
  2. Step 2: Convert to fraction form
    128,052.83/192,088.59 = 49,167.09/x
  3. Step 3: Cross multiply
    128,052.83x = 192,088.59 × 49,167.09
  4. Step 4: Simplify right side
    128,052.83x = 9,444,436,992.50
  5. Step 5: Solve for x
    x = 9,444,436,992.50/128,052.83
  6. Step 6: Final answer
    x = 73,754.23

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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.