Home / 250,072.83-374,920.59-81,492.50

Finding the Fourth Proportional to 250,072.83, 374,920.59 and 81,492.50

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Solution

The fourth proportional to 250,072.83, 374,920.59 and 81,492.50 is: 122,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,072.83 : 374,920.59 = 81,492.50 : x
  2. Step 2: Convert to fraction form
    250,072.83/374,920.59 = 81,492.50/x
  3. Step 3: Cross multiply
    250,072.83x = 374,920.59 × 81,492.50
  4. Step 4: Simplify right side
    250,072.83x = 30,553,214,305.97
  5. Step 5: Solve for x
    x = 30,553,214,305.97/250,072.83
  6. Step 6: Final answer
    x = 122,177.26

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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.