Home / 191,738.70-287,608.05-162,214.20

Finding the Fourth Proportional to 191,738.70, 287,608.05 and 162,214.20

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Solution

The fourth proportional to 191,738.70, 287,608.05 and 162,214.20 is: 243,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,738.70 : 287,608.05 = 162,214.20 : x
  2. Step 2: Convert to fraction form
    191,738.70/287,608.05 = 162,214.20/x
  3. Step 3: Cross multiply
    191,738.70x = 287,608.05 × 162,214.20
  4. Step 4: Simplify right side
    191,738.70x = 46,654,109,744.31
  5. Step 5: Solve for x
    x = 46,654,109,744.31/191,738.70
  6. Step 6: Final answer
    x = 243,321.30

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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.