Home / 196,686.70-271,424.73-110,639.19

Finding the Fourth Proportional to 196,686.70, 271,424.73 and 110,639.19

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Solution

The fourth proportional to 196,686.70, 271,424.73 and 110,639.19 is: 152,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,686.70 : 271,424.73 = 110,639.19 : x
  2. Step 2: Convert to fraction form
    196,686.70/271,424.73 = 110,639.19/x
  3. Step 3: Cross multiply
    196,686.70x = 271,424.73 × 110,639.19
  4. Step 4: Simplify right side
    196,686.70x = 30,030,212,273.17
  5. Step 5: Solve for x
    x = 30,030,212,273.17/196,686.70
  6. Step 6: Final answer
    x = 152,680.44

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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.