Home / 131,451,128.20-196,893,257.10-131,451,128.20

Finding the Fourth Proportional to 131,451,128.20, 196,893,257.10 and 131,451,128.20

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Solution

The fourth proportional to 131,451,128.20, 196,893,257.10 and 131,451,128.20 is: 196,893,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,451,128.20 : 196,893,257.10 = 131,451,128.20 : x
  2. Step 2: Convert to fraction form
    131,451,128.20/196,893,257.10 = 131,451,128.20/x
  3. Step 3: Cross multiply
    131,451,128.20x = 196,893,257.10 × 131,451,128.20
  4. Step 4: Simplify right side
    131,451,128.20x = 25,881,840,780,767,660
  5. Step 5: Solve for x
    x = 25,881,840,780,767,660/131,451,128.20
  6. Step 6: Final answer
    x = 196,893,257.10

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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.