Home / 141,212.30-194,874.59-76,682.23

Finding the Fourth Proportional to 141,212.30, 194,874.59 and 76,682.23

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Solution

The fourth proportional to 141,212.30, 194,874.59 and 76,682.23 is: 105,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212.30 : 194,874.59 = 76,682.23 : x
  2. Step 2: Convert to fraction form
    141,212.30/194,874.59 = 76,682.23/x
  3. Step 3: Cross multiply
    141,212.30x = 194,874.59 × 76,682.23
  4. Step 4: Simplify right side
    141,212.30x = 14,943,417,836.05
  5. Step 5: Solve for x
    x = 14,943,417,836.05/141,212.30
  6. Step 6: Final answer
    x = 105,822.36

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1.5x scale

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.