Home / 196,763.52-271,533.69-111,885.78

Finding the Fourth Proportional to 196,763.52, 271,533.69 and 111,885.78

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Solution

The fourth proportional to 196,763.52, 271,533.69 and 111,885.78 is: 154,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,763.52 : 271,533.69 = 111,885.78 : x
  2. Step 2: Convert to fraction form
    196,763.52/271,533.69 = 111,885.78/x
  3. Step 3: Cross multiply
    196,763.52x = 271,533.69 × 111,885.78
  4. Step 4: Simplify right side
    196,763.52x = 30,380,758,701.93
  5. Step 5: Solve for x
    x = 30,380,758,701.93/196,763.52
  6. Step 6: Final answer
    x = 154,402.39

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1.5x scale

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.