Home / 358,535.42-494,769.26-197,391.66

Finding the Fourth Proportional to 358,535.42, 494,769.26 and 197,391.66

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Solution

The fourth proportional to 358,535.42, 494,769.26 and 197,391.66 is: 272,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,535.42 : 494,769.26 = 197,391.66 : x
  2. Step 2: Convert to fraction form
    358,535.42/494,769.26 = 197,391.66/x
  3. Step 3: Cross multiply
    358,535.42x = 494,769.26 × 197,391.66
  4. Step 4: Simplify right side
    358,535.42x = 97,663,324,561.41
  5. Step 5: Solve for x
    x = 97,663,324,561.41/358,535.42
  6. Step 6: Final answer
    x = 272,395.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.