Home / 191,913.20-287,837.24-51,640.56

Finding the Fourth Proportional to 191,913.20, 287,837.24 and 51,640.56

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Solution

The fourth proportional to 191,913.20, 287,837.24 and 51,640.56 is: 77,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,913.20 : 287,837.24 = 51,640.56 : x
  2. Step 2: Convert to fraction form
    191,913.20/287,837.24 = 51,640.56/x
  3. Step 3: Cross multiply
    191,913.20x = 287,837.24 × 51,640.56
  4. Step 4: Simplify right side
    191,913.20x = 14,864,076,262.45
  5. Step 5: Solve for x
    x = 14,864,076,262.45/191,913.20
  6. Step 6: Final answer
    x = 77,452.08

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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.