Home / 358,475.03-494,691.72-197,326.70

Finding the Fourth Proportional to 358,475.03, 494,691.72 and 197,326.70

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Solution

The fourth proportional to 358,475.03, 494,691.72 and 197,326.70 is: 272,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,475.03 : 494,691.72 = 197,326.70 : x
  2. Step 2: Convert to fraction form
    358,475.03/494,691.72 = 197,326.70/x
  3. Step 3: Cross multiply
    358,475.03x = 494,691.72 × 197,326.70
  4. Step 4: Simplify right side
    358,475.03x = 97,615,884,624.92
  5. Step 5: Solve for x
    x = 97,615,884,624.92/358,475.03
  6. Step 6: Final answer
    x = 272,308.74

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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.