Home / 190,101.60-262,346.40-109,522.80

Finding the Fourth Proportional to 190,101.60, 262,346.40 and 109,522.80

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Solution

The fourth proportional to 190,101.60, 262,346.40 and 109,522.80 is: 151,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101.60 : 262,346.40 = 109,522.80 : x
  2. Step 2: Convert to fraction form
    190,101.60/262,346.40 = 109,522.80/x
  3. Step 3: Cross multiply
    190,101.60x = 262,346.40 × 109,522.80
  4. Step 4: Simplify right side
    190,101.60x = 28,732,912,297.92
  5. Step 5: Solve for x
    x = 28,732,912,297.92/190,101.60
  6. Step 6: Final answer
    x = 151,145.03

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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.