Home / 191,127.12-263,755.08-106,243.92

Finding the Fourth Proportional to 191,127.12, 263,755.08 and 106,243.92

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Solution

The fourth proportional to 191,127.12, 263,755.08 and 106,243.92 is: 146,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,127.12 : 263,755.08 = 106,243.92 : x
  2. Step 2: Convert to fraction form
    191,127.12/263,755.08 = 106,243.92/x
  3. Step 3: Cross multiply
    191,127.12x = 263,755.08 × 106,243.92
  4. Step 4: Simplify right side
    191,127.12x = 28,022,373,619.11
  5. Step 5: Solve for x
    x = 28,022,373,619.11/191,127.12
  6. Step 6: Final answer
    x = 146,616.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.