Home / 191,621.25-287,430.41-49,454.43

Finding the Fourth Proportional to 191,621.25, 287,430.41 and 49,454.43

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Solution

The fourth proportional to 191,621.25, 287,430.41 and 49,454.43 is: 74,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,621.25 : 287,430.41 = 49,454.43 : x
  2. Step 2: Convert to fraction form
    191,621.25/287,430.41 = 49,454.43/x
  3. Step 3: Cross multiply
    191,621.25x = 287,430.41 × 49,454.43
  4. Step 4: Simplify right side
    191,621.25x = 14,214,706,843.94
  5. Step 5: Solve for x
    x = 14,214,706,843.94/191,621.25
  6. Step 6: Final answer
    x = 74,181.27

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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.