Home / 191,997.45-287,996.18-181,111.05

Finding the Fourth Proportional to 191,997.45, 287,996.18 and 181,111.05

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Solution

The fourth proportional to 191,997.45, 287,996.18 and 181,111.05 is: 271,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,997.45 : 287,996.18 = 181,111.05 : x
  2. Step 2: Convert to fraction form
    191,997.45/287,996.18 = 181,111.05/x
  3. Step 3: Cross multiply
    191,997.45x = 287,996.18 × 181,111.05
  4. Step 4: Simplify right side
    191,997.45x = 52,159,289,650.23
  5. Step 5: Solve for x
    x = 52,159,289,650.23/191,997.45
  6. Step 6: Final answer
    x = 271,666.58

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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.