Home / 191,771.25-287,660.97-49,619.59

Finding the Fourth Proportional to 191,771.25, 287,660.97 and 49,619.59

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Solution

The fourth proportional to 191,771.25, 287,660.97 and 49,619.59 is: 74,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,771.25 : 287,660.97 = 49,619.59 : x
  2. Step 2: Convert to fraction form
    191,771.25/287,660.97 = 49,619.59/x
  3. Step 3: Cross multiply
    191,771.25x = 287,660.97 × 49,619.59
  4. Step 4: Simplify right side
    191,771.25x = 14,273,618,671.25
  5. Step 5: Solve for x
    x = 14,273,618,671.25/191,771.25
  6. Step 6: Final answer
    x = 74,430.44

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1.5x scale

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.