Home / 358,020.02-494,071.20-196,876.22

Finding the Fourth Proportional to 358,020.02, 494,071.20 and 196,876.22

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Solution

The fourth proportional to 358,020.02, 494,071.20 and 196,876.22 is: 271,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,020.02 : 494,071.20 = 196,876.22 : x
  2. Step 2: Convert to fraction form
    358,020.02/494,071.20 = 196,876.22/x
  3. Step 3: Cross multiply
    358,020.02x = 494,071.20 × 196,876.22
  4. Step 4: Simplify right side
    358,020.02x = 97,270,870,266.86
  5. Step 5: Solve for x
    x = 97,270,870,266.86/358,020.02
  6. Step 6: Final answer
    x = 271,691.15

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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.