Home / 191,427.63-287,205.38-84,797.10

Finding the Fourth Proportional to 191,427.63, 287,205.38 and 84,797.10

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Solution

The fourth proportional to 191,427.63, 287,205.38 and 84,797.10 is: 127,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,427.63 : 287,205.38 = 84,797.10 : x
  2. Step 2: Convert to fraction form
    191,427.63/287,205.38 = 84,797.10/x
  3. Step 3: Cross multiply
    191,427.63x = 287,205.38 × 84,797.10
  4. Step 4: Simplify right side
    191,427.63x = 24,354,183,540.39
  5. Step 5: Solve for x
    x = 24,354,183,540.39/191,427.63
  6. Step 6: Final answer
    x = 127,223.97

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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.