Home / 329,841.32-494,454.18-130,163.36

Finding the Fourth Proportional to 329,841.32, 494,454.18 and 130,163.36

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Solution

The fourth proportional to 329,841.32, 494,454.18 and 130,163.36 is: 195,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,841.32 : 494,454.18 = 130,163.36 : x
  2. Step 2: Convert to fraction form
    329,841.32/494,454.18 = 130,163.36/x
  3. Step 3: Cross multiply
    329,841.32x = 494,454.18 × 130,163.36
  4. Step 4: Simplify right side
    329,841.32x = 64,359,817,434.84
  5. Step 5: Solve for x
    x = 64,359,817,434.84/329,841.32
  6. Step 6: Final answer
    x = 195,123.57

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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.