Home / 191,822.80-287,734.20-73,433.20

Finding the Fourth Proportional to 191,822.80, 287,734.20 and 73,433.20

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Solution

The fourth proportional to 191,822.80, 287,734.20 and 73,433.20 is: 110,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,822.80 : 287,734.20 = 73,433.20 : x
  2. Step 2: Convert to fraction form
    191,822.80/287,734.20 = 73,433.20/x
  3. Step 3: Cross multiply
    191,822.80x = 287,734.20 × 73,433.20
  4. Step 4: Simplify right side
    191,822.80x = 21,129,243,055.44
  5. Step 5: Solve for x
    x = 21,129,243,055.44/191,822.80
  6. Step 6: Final answer
    x = 110,149.80

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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.