Home / 190,880.25-285,884.34-91,110.67

Finding the Fourth Proportional to 190,880.25, 285,884.34 and 91,110.67

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Solution

The fourth proportional to 190,880.25, 285,884.34 and 91,110.67 is: 136,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,880.25 : 285,884.34 = 91,110.67 : x
  2. Step 2: Convert to fraction form
    190,880.25/285,884.34 = 91,110.67/x
  3. Step 3: Cross multiply
    190,880.25x = 285,884.34 × 91,110.67
  4. Step 4: Simplify right side
    190,880.25x = 26,047,114,311.63
  5. Step 5: Solve for x
    x = 26,047,114,311.63/190,880.25
  6. Step 6: Final answer
    x = 136,457.88

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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.