Home / 191,605.08-264,387.87-108,816.20

Finding the Fourth Proportional to 191,605.08, 264,387.87 and 108,816.20

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Solution

The fourth proportional to 191,605.08, 264,387.87 and 108,816.20 is: 150,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,605.08 : 264,387.87 = 108,816.20 : x
  2. Step 2: Convert to fraction form
    191,605.08/264,387.87 = 108,816.20/x
  3. Step 3: Cross multiply
    191,605.08x = 264,387.87 × 108,816.20
  4. Step 4: Simplify right side
    191,605.08x = 28,769,682,017.55
  5. Step 5: Solve for x
    x = 28,769,682,017.55/191,605.08
  6. Step 6: Final answer
    x = 150,150.94

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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.