Home / 129,913.19-194,875.26-41,164.73

Finding the Fourth Proportional to 129,913.19, 194,875.26 and 41,164.73

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Solution

The fourth proportional to 129,913.19, 194,875.26 and 41,164.73 is: 61,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,913.19 : 194,875.26 = 41,164.73 : x
  2. Step 2: Convert to fraction form
    129,913.19/194,875.26 = 41,164.73/x
  3. Step 3: Cross multiply
    129,913.19x = 194,875.26 × 41,164.73
  4. Step 4: Simplify right side
    129,913.19x = 8,021,986,281.38
  5. Step 5: Solve for x
    x = 8,021,986,281.38/129,913.19
  6. Step 6: Final answer
    x = 61,748.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.