Home / 141,177.32-194,827.84-77,515.37

Finding the Fourth Proportional to 141,177.32, 194,827.84 and 77,515.37

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Solution

The fourth proportional to 141,177.32, 194,827.84 and 77,515.37 is: 106,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177.32 : 194,827.84 = 77,515.37 : x
  2. Step 2: Convert to fraction form
    141,177.32/194,827.84 = 77,515.37/x
  3. Step 3: Cross multiply
    141,177.32x = 194,827.84 × 77,515.37
  4. Step 4: Simplify right side
    141,177.32x = 15,102,150,935.97
  5. Step 5: Solve for x
    x = 15,102,150,935.97/141,177.32
  6. Step 6: Final answer
    x = 106,972.93

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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.