Home / 196,829.30-271,755.18-151,427.18

Finding the Fourth Proportional to 196,829.30, 271,755.18 and 151,427.18

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Solution

The fourth proportional to 196,829.30, 271,755.18 and 151,427.18 is: 209,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,829.30 : 271,755.18 = 151,427.18 : x
  2. Step 2: Convert to fraction form
    196,829.30/271,755.18 = 151,427.18/x
  3. Step 3: Cross multiply
    196,829.30x = 271,755.18 × 151,427.18
  4. Step 4: Simplify right side
    196,829.30x = 41,151,120,557.79
  5. Step 5: Solve for x
    x = 41,151,120,557.79/196,829.30
  6. Step 6: Final answer
    x = 209,070.10

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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.