Home / 129,953.70-194,833.35-70,856.10

Finding the Fourth Proportional to 129,953.70, 194,833.35 and 70,856.10

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Solution

The fourth proportional to 129,953.70, 194,833.35 and 70,856.10 is: 106,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,953.70 : 194,833.35 = 70,856.10 : x
  2. Step 2: Convert to fraction form
    129,953.70/194,833.35 = 70,856.10/x
  3. Step 3: Cross multiply
    129,953.70x = 194,833.35 × 70,856.10
  4. Step 4: Simplify right side
    129,953.70x = 13,805,131,330.94
  5. Step 5: Solve for x
    x = 13,805,131,330.94/129,953.70
  6. Step 6: Final answer
    x = 106,231.15

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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.