Home / 141,358.80-195,071.82-76,826.52

Finding the Fourth Proportional to 141,358.80, 195,071.82 and 76,826.52

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Solution

The fourth proportional to 141,358.80, 195,071.82 and 76,826.52 is: 106,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.80 : 195,071.82 = 76,826.52 : x
  2. Step 2: Convert to fraction form
    141,358.80/195,071.82 = 76,826.52/x
  3. Step 3: Cross multiply
    141,358.80x = 195,071.82 × 76,826.52
  4. Step 4: Simplify right side
    141,358.80x = 14,986,689,080.67
  5. Step 5: Solve for x
    x = 14,986,689,080.67/141,358.80
  6. Step 6: Final answer
    x = 106,018.79

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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.