Home / 190,136.29-262,387.63-113,651.67

Finding the Fourth Proportional to 190,136.29, 262,387.63 and 113,651.67

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Solution

The fourth proportional to 190,136.29, 262,387.63 and 113,651.67 is: 156,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,136.29 : 262,387.63 = 113,651.67 : x
  2. Step 2: Convert to fraction form
    190,136.29/262,387.63 = 113,651.67/x
  3. Step 3: Cross multiply
    190,136.29x = 262,387.63 × 113,651.67
  4. Step 4: Simplify right side
    190,136.29x = 29,820,793,622.68
  5. Step 5: Solve for x
    x = 29,820,793,622.68/190,136.29
  6. Step 6: Final answer
    x = 156,839.05

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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.