Home / 191,453.38-264,287.43-136,298.30

Finding the Fourth Proportional to 191,453.38, 264,287.43 and 136,298.30

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Solution

The fourth proportional to 191,453.38, 264,287.43 and 136,298.30 is: 188,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,453.38 : 264,287.43 = 136,298.30 : x
  2. Step 2: Convert to fraction form
    191,453.38/264,287.43 = 136,298.30/x
  3. Step 3: Cross multiply
    191,453.38x = 264,287.43 × 136,298.30
  4. Step 4: Simplify right side
    191,453.38x = 36,021,928,081.09
  5. Step 5: Solve for x
    x = 36,021,928,081.09/191,453.38
  6. Step 6: Final answer
    x = 188,149.87

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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.