Home / 190,116.76-262,343.46-113,620.72

Finding the Fourth Proportional to 190,116.76, 262,343.46 and 113,620.72

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Solution

The fourth proportional to 190,116.76, 262,343.46 and 113,620.72 is: 156,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,116.76 : 262,343.46 = 113,620.72 : x
  2. Step 2: Convert to fraction form
    190,116.76/262,343.46 = 113,620.72/x
  3. Step 3: Cross multiply
    190,116.76x = 262,343.46 × 113,620.72
  4. Step 4: Simplify right side
    190,116.76x = 29,807,652,812.49
  5. Step 5: Solve for x
    x = 29,807,652,812.49/190,116.76
  6. Step 6: Final answer
    x = 156,786.03

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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.