Home / 191,849.20-287,856.60-102,998.86

Finding the Fourth Proportional to 191,849.20, 287,856.60 and 102,998.86

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Solution

The fourth proportional to 191,849.20, 287,856.60 and 102,998.86 is: 154,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,849.20 : 287,856.60 = 102,998.86 : x
  2. Step 2: Convert to fraction form
    191,849.20/287,856.60 = 102,998.86/x
  3. Step 3: Cross multiply
    191,849.20x = 287,856.60 × 102,998.86
  4. Step 4: Simplify right side
    191,849.20x = 29,648,901,643.48
  5. Step 5: Solve for x
    x = 29,648,901,643.48/191,849.20
  6. Step 6: Final answer
    x = 154,542.74

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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.