Home / 196,302.84-270,906.06-111,427.80

Finding the Fourth Proportional to 196,302.84, 270,906.06 and 111,427.80

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Solution

The fourth proportional to 196,302.84, 270,906.06 and 111,427.80 is: 153,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,302.84 : 270,906.06 = 111,427.80 : x
  2. Step 2: Convert to fraction form
    196,302.84/270,906.06 = 111,427.80/x
  3. Step 3: Cross multiply
    196,302.84x = 270,906.06 × 111,427.80
  4. Step 4: Simplify right side
    196,302.84x = 30,186,466,272.47
  5. Step 5: Solve for x
    x = 30,186,466,272.47/196,302.84
  6. Step 6: Final answer
    x = 153,774.98

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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.