Home / 141,177.82-194,828.53-77,515.87

Finding the Fourth Proportional to 141,177.82, 194,828.53 and 77,515.87

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Solution

The fourth proportional to 141,177.82, 194,828.53 and 77,515.87 is: 106,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177.82 : 194,828.53 = 77,515.87 : x
  2. Step 2: Convert to fraction form
    141,177.82/194,828.53 = 77,515.87/x
  3. Step 3: Cross multiply
    141,177.82x = 194,828.53 × 77,515.87
  4. Step 4: Simplify right side
    141,177.82x = 15,102,302,029.63
  5. Step 5: Solve for x
    x = 15,102,302,029.63/141,177.82
  6. Step 6: Final answer
    x = 106,973.62

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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.