Home / 329,731.79-494,582.22-137,526.84

Finding the Fourth Proportional to 329,731.79, 494,582.22 and 137,526.84

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Solution

The fourth proportional to 329,731.79, 494,582.22 and 137,526.84 is: 206,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,731.79 : 494,582.22 = 137,526.84 : x
  2. Step 2: Convert to fraction form
    329,731.79/494,582.22 = 137,526.84/x
  3. Step 3: Cross multiply
    329,731.79x = 494,582.22 × 137,526.84
  4. Step 4: Simplify right side
    329,731.79x = 68,018,329,836.78
  5. Step 5: Solve for x
    x = 68,018,329,836.78/329,731.79
  6. Step 6: Final answer
    x = 206,283.81

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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.