Home / 191,996.20-287,994.30-181,109.80

Finding the Fourth Proportional to 191,996.20, 287,994.30 and 181,109.80

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Solution

The fourth proportional to 191,996.20, 287,994.30 and 181,109.80 is: 271,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,996.20 : 287,994.30 = 181,109.80 : x
  2. Step 2: Convert to fraction form
    191,996.20/287,994.30 = 181,109.80/x
  3. Step 3: Cross multiply
    191,996.20x = 287,994.30 × 181,109.80
  4. Step 4: Simplify right side
    191,996.20x = 52,158,590,074.14
  5. Step 5: Solve for x
    x = 52,158,590,074.14/191,996.20
  6. Step 6: Final answer
    x = 271,664.70

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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.