Home / 196,762.93-271,531.59-111,880

Finding the Fourth Proportional to 196,762.93, 271,531.59 and 111,880

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Solution

The fourth proportional to 196,762.93, 271,531.59 and 111,880 is: 154,393.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,762.93 : 271,531.59 = 111,880 : x
  2. Step 2: Convert to fraction form
    196,762.93/271,531.59 = 111,880/x
  3. Step 3: Cross multiply
    196,762.93x = 271,531.59 × 111,880
  4. Step 4: Simplify right side
    196,762.93x = 30,378,954,289.20
  5. Step 5: Solve for x
    x = 30,378,954,289.20/196,762.93
  6. Step 6: Final answer
    x = 154,393.69

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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.