Home / 129,573.24-194,389.38-40,826.28

Finding the Fourth Proportional to 129,573.24, 194,389.38 and 40,826.28

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Solution

The fourth proportional to 129,573.24, 194,389.38 and 40,826.28 is: 61,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,573.24 : 194,389.38 = 40,826.28 : x
  2. Step 2: Convert to fraction form
    129,573.24/194,389.38 = 40,826.28/x
  3. Step 3: Cross multiply
    129,573.24x = 194,389.38 × 40,826.28
  4. Step 4: Simplify right side
    129,573.24x = 7,936,195,256.91
  5. Step 5: Solve for x
    x = 7,936,195,256.91/129,573.24
  6. Step 6: Final answer
    x = 61,248.72

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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.