Home / 191,455.38-264,233.21-109,815.48

Finding the Fourth Proportional to 191,455.38, 264,233.21 and 109,815.48

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Solution

The fourth proportional to 191,455.38, 264,233.21 and 109,815.48 is: 151,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,455.38 : 264,233.21 = 109,815.48 : x
  2. Step 2: Convert to fraction form
    191,455.38/264,233.21 = 109,815.48/x
  3. Step 3: Cross multiply
    191,455.38x = 264,233.21 × 109,815.48
  4. Step 4: Simplify right side
    191,455.38x = 29,016,896,788.09
  5. Step 5: Solve for x
    x = 29,016,896,788.09/191,455.38
  6. Step 6: Final answer
    x = 151,559.58

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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.