Home / 191,976.20-287,834.70-102,033.80

Finding the Fourth Proportional to 191,976.20, 287,834.70 and 102,033.80

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Solution

The fourth proportional to 191,976.20, 287,834.70 and 102,033.80 is: 152,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,976.20 : 287,834.70 = 102,033.80 : x
  2. Step 2: Convert to fraction form
    191,976.20/287,834.70 = 102,033.80/x
  3. Step 3: Cross multiply
    191,976.20x = 287,834.70 × 102,033.80
  4. Step 4: Simplify right side
    191,976.20x = 29,368,868,212.86
  5. Step 5: Solve for x
    x = 29,368,868,212.86/191,976.20
  6. Step 6: Final answer
    x = 152,981.82

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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.