Home / 196,541.40-294,131.70-117,712.20

Finding the Fourth Proportional to 196,541.40, 294,131.70 and 117,712.20

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Solution

The fourth proportional to 196,541.40, 294,131.70 and 117,712.20 is: 176,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,541.40 : 294,131.70 = 117,712.20 : x
  2. Step 2: Convert to fraction form
    196,541.40/294,131.70 = 117,712.20/x
  3. Step 3: Cross multiply
    196,541.40x = 294,131.70 × 117,712.20
  4. Step 4: Simplify right side
    196,541.40x = 34,622,889,496.74
  5. Step 5: Solve for x
    x = 34,622,889,496.74/196,541.40
  6. Step 6: Final answer
    x = 176,160.80

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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.