Home / 191,443.31-287,164.89-51,198.29

Finding the Fourth Proportional to 191,443.31, 287,164.89 and 51,198.29

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Solution

The fourth proportional to 191,443.31, 287,164.89 and 51,198.29 is: 76,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,443.31 : 287,164.89 = 51,198.29 : x
  2. Step 2: Convert to fraction form
    191,443.31/287,164.89 = 51,198.29/x
  3. Step 3: Cross multiply
    191,443.31x = 287,164.89 × 51,198.29
  4. Step 4: Simplify right side
    191,443.31x = 14,702,349,880.21
  5. Step 5: Solve for x
    x = 14,702,349,880.21/191,443.31
  6. Step 6: Final answer
    x = 76,797.41

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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.