Home / 196,100.76-294,112.42-53,909.35

Finding the Fourth Proportional to 196,100.76, 294,112.42 and 53,909.35

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Solution

The fourth proportional to 196,100.76, 294,112.42 and 53,909.35 is: 80,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,100.76 : 294,112.42 = 53,909.35 : x
  2. Step 2: Convert to fraction form
    196,100.76/294,112.42 = 53,909.35/x
  3. Step 3: Cross multiply
    196,100.76x = 294,112.42 × 53,909.35
  4. Step 4: Simplify right side
    196,100.76x = 15,855,408,519.07
  5. Step 5: Solve for x
    x = 15,855,408,519.07/196,100.76
  6. Step 6: Final answer
    x = 80,853.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.