Home / 190,014.66-262,156.56-109,440.57

Finding the Fourth Proportional to 190,014.66, 262,156.56 and 109,440.57

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Solution

The fourth proportional to 190,014.66, 262,156.56 and 109,440.57 is: 150,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,014.66 : 262,156.56 = 109,440.57 : x
  2. Step 2: Convert to fraction form
    190,014.66/262,156.56 = 109,440.57/x
  3. Step 3: Cross multiply
    190,014.66x = 262,156.56 × 109,440.57
  4. Step 4: Simplify right side
    190,014.66x = 28,690,563,355.64
  5. Step 5: Solve for x
    x = 28,690,563,355.64/190,014.66
  6. Step 6: Final answer
    x = 150,991.31

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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.