Home / 191,601.35-287,180.27-90,463.54

Finding the Fourth Proportional to 191,601.35, 287,180.27 and 90,463.54

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Solution

The fourth proportional to 191,601.35, 287,180.27 and 90,463.54 is: 135,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,601.35 : 287,180.27 = 90,463.54 : x
  2. Step 2: Convert to fraction form
    191,601.35/287,180.27 = 90,463.54/x
  3. Step 3: Cross multiply
    191,601.35x = 287,180.27 × 90,463.54
  4. Step 4: Simplify right side
    191,601.35x = 25,979,341,954.14
  5. Step 5: Solve for x
    x = 25,979,341,954.14/191,601.35
  6. Step 6: Final answer
    x = 135,590.60

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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.