Home / 131,441.40-196,902.90-122,110.20

Finding the Fourth Proportional to 131,441.40, 196,902.90 and 122,110.20

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Solution

The fourth proportional to 131,441.40, 196,902.90 and 122,110.20 is: 182,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,441.40 : 196,902.90 = 122,110.20 : x
  2. Step 2: Convert to fraction form
    131,441.40/196,902.90 = 122,110.20/x
  3. Step 3: Cross multiply
    131,441.40x = 196,902.90 × 122,110.20
  4. Step 4: Simplify right side
    131,441.40x = 24,043,852,499.58
  5. Step 5: Solve for x
    x = 24,043,852,499.58/131,441.40
  6. Step 6: Final answer
    x = 182,924.50

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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.