Home / 190,115.67-262,387.76-109,527.87

Finding the Fourth Proportional to 190,115.67, 262,387.76 and 109,527.87

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Solution

The fourth proportional to 190,115.67, 262,387.76 and 109,527.87 is: 151,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,115.67 : 262,387.76 = 109,527.87 : x
  2. Step 2: Convert to fraction form
    190,115.67/262,387.76 = 109,527.87/x
  3. Step 3: Cross multiply
    190,115.67x = 262,387.76 × 109,527.87
  4. Step 4: Simplify right side
    190,115.67x = 28,738,771,919.23
  5. Step 5: Solve for x
    x = 28,738,771,919.23/190,115.67
  6. Step 6: Final answer
    x = 151,164.67

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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.