Home / 141,167.24-194,814.21-76,639.13

Finding the Fourth Proportional to 141,167.24, 194,814.21 and 76,639.13

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Solution

The fourth proportional to 141,167.24, 194,814.21 and 76,639.13 is: 105,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,167.24 : 194,814.21 = 76,639.13 : x
  2. Step 2: Convert to fraction form
    141,167.24/194,814.21 = 76,639.13/x
  3. Step 3: Cross multiply
    141,167.24x = 194,814.21 × 76,639.13
  4. Step 4: Simplify right side
    141,167.24x = 14,930,391,566.04
  5. Step 5: Solve for x
    x = 14,930,391,566.04/141,167.24
  6. Step 6: Final answer
    x = 105,763.86

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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.