Home / 196,295.40-294,443.10-181,861.20

Finding the Fourth Proportional to 196,295.40, 294,443.10 and 181,861.20

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Solution

The fourth proportional to 196,295.40, 294,443.10 and 181,861.20 is: 272,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,295.40 : 294,443.10 = 181,861.20 : x
  2. Step 2: Convert to fraction form
    196,295.40/294,443.10 = 181,861.20/x
  3. Step 3: Cross multiply
    196,295.40x = 294,443.10 × 181,861.20
  4. Step 4: Simplify right side
    196,295.40x = 53,547,775,497.72
  5. Step 5: Solve for x
    x = 53,547,775,497.72/196,295.40
  6. Step 6: Final answer
    x = 272,791.80

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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.