Home / 131,466.20-197,199.30-89,994.20

Finding the Fourth Proportional to 131,466.20, 197,199.30 and 89,994.20

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Solution

The fourth proportional to 131,466.20, 197,199.30 and 89,994.20 is: 134,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,466.20 : 197,199.30 = 89,994.20 : x
  2. Step 2: Convert to fraction form
    131,466.20/197,199.30 = 89,994.20/x
  3. Step 3: Cross multiply
    131,466.20x = 197,199.30 × 89,994.20
  4. Step 4: Simplify right side
    131,466.20x = 17,746,793,244.06
  5. Step 5: Solve for x
    x = 17,746,793,244.06/131,466.20
  6. Step 6: Final answer
    x = 134,991.30

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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.