Home / 141,093.77-194,709.45-77,431.61

Finding the Fourth Proportional to 141,093.77, 194,709.45 and 77,431.61

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Solution

The fourth proportional to 141,093.77, 194,709.45 and 77,431.61 is: 106,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,093.77 : 194,709.45 = 77,431.61 : x
  2. Step 2: Convert to fraction form
    141,093.77/194,709.45 = 77,431.61/x
  3. Step 3: Cross multiply
    141,093.77x = 194,709.45 × 77,431.61
  4. Step 4: Simplify right side
    141,093.77x = 15,076,666,195.71
  5. Step 5: Solve for x
    x = 15,076,666,195.71/141,093.77
  6. Step 6: Final answer
    x = 106,855.65

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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.