Home / 141,178.35-194,828.90-77,515.59

Finding the Fourth Proportional to 141,178.35, 194,828.90 and 77,515.59

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Solution

The fourth proportional to 141,178.35, 194,828.90 and 77,515.59 is: 106,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178.35 : 194,828.90 = 77,515.59 : x
  2. Step 2: Convert to fraction form
    141,178.35/194,828.90 = 77,515.59/x
  3. Step 3: Cross multiply
    141,178.35x = 194,828.90 × 77,515.59
  4. Step 4: Simplify right side
    141,178.35x = 15,102,276,352.20
  5. Step 5: Solve for x
    x = 15,102,276,352.20/141,178.35
  6. Step 6: Final answer
    x = 106,973.04

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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.