Home / 291,741.54-437,612.16-92,081.94

Finding the Fourth Proportional to 291,741.54, 437,612.16 and 92,081.94

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Solution

The fourth proportional to 291,741.54, 437,612.16 and 92,081.94 is: 138,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,741.54 : 437,612.16 = 92,081.94 : x
  2. Step 2: Convert to fraction form
    291,741.54/437,612.16 = 92,081.94/x
  3. Step 3: Cross multiply
    291,741.54x = 437,612.16 × 92,081.94
  4. Step 4: Simplify right side
    291,741.54x = 40,296,176,660.39
  5. Step 5: Solve for x
    x = 40,296,176,660.39/291,741.54
  6. Step 6: Final answer
    x = 138,122.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.