Home / 154,136.22-231,225.94-47,528.67

Finding the Fourth Proportional to 154,136.22, 231,225.94 and 47,528.67

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Solution

The fourth proportional to 154,136.22, 231,225.94 and 47,528.67 is: 71,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.22 : 231,225.94 = 47,528.67 : x
  2. Step 2: Convert to fraction form
    154,136.22/231,225.94 = 47,528.67/x
  3. Step 3: Cross multiply
    154,136.22x = 231,225.94 × 47,528.67
  4. Step 4: Simplify right side
    154,136.22x = 10,989,862,324.21
  5. Step 5: Solve for x
    x = 10,989,862,324.21/154,136.22
  6. Step 6: Final answer
    x = 71,299.68

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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.