Home / 211,182.94-291,198.85-134,580.61

Finding the Fourth Proportional to 211,182.94, 291,198.85 and 134,580.61

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Solution

The fourth proportional to 211,182.94, 291,198.85 and 134,580.61 is: 185,572.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,182.94 : 291,198.85 = 134,580.61 : x
  2. Step 2: Convert to fraction form
    211,182.94/291,198.85 = 134,580.61/x
  3. Step 3: Cross multiply
    211,182.94x = 291,198.85 × 134,580.61
  4. Step 4: Simplify right side
    211,182.94x = 39,189,718,864.30
  5. Step 5: Solve for x
    x = 39,189,718,864.30/211,182.94
  6. Step 6: Final answer
    x = 185,572.37

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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.