Home / 358,729.40-495,049.92-197,585.04

Finding the Fourth Proportional to 358,729.40, 495,049.92 and 197,585.04

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Solution

The fourth proportional to 358,729.40, 495,049.92 and 197,585.04 is: 272,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,729.40 : 495,049.92 = 197,585.04 : x
  2. Step 2: Convert to fraction form
    358,729.40/495,049.92 = 197,585.04/x
  3. Step 3: Cross multiply
    358,729.40x = 495,049.92 × 197,585.04
  4. Step 4: Simplify right side
    358,729.40x = 97,814,458,245.20
  5. Step 5: Solve for x
    x = 97,814,458,245.20/358,729.40
  6. Step 6: Final answer
    x = 272,669.20

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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.