Home / 196,705.67-271,578.02-136,254.56

Finding the Fourth Proportional to 196,705.67, 271,578.02 and 136,254.56

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Solution

The fourth proportional to 196,705.67, 271,578.02 and 136,254.56 is: 188,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,705.67 : 271,578.02 = 136,254.56 : x
  2. Step 2: Convert to fraction form
    196,705.67/271,578.02 = 136,254.56/x
  3. Step 3: Cross multiply
    196,705.67x = 271,578.02 × 136,254.56
  4. Step 4: Simplify right side
    196,705.67x = 37,003,741,581.61
  5. Step 5: Solve for x
    x = 37,003,741,581.61/196,705.67
  6. Step 6: Final answer
    x = 188,117.32

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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.