Home / 191,760.85-287,682.79-73,432.19

Finding the Fourth Proportional to 191,760.85, 287,682.79 and 73,432.19

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Solution

The fourth proportional to 191,760.85, 287,682.79 and 73,432.19 is: 110,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,760.85 : 287,682.79 = 73,432.19 : x
  2. Step 2: Convert to fraction form
    191,760.85/287,682.79 = 73,432.19/x
  3. Step 3: Cross multiply
    191,760.85x = 287,682.79 × 73,432.19
  4. Step 4: Simplify right side
    191,760.85x = 21,125,177,830.64
  5. Step 5: Solve for x
    x = 21,125,177,830.64/191,760.85
  6. Step 6: Final answer
    x = 110,164.19

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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.