Home / 158,520.86-237,884.34-68,651.36

Finding the Fourth Proportional to 158,520.86, 237,884.34 and 68,651.36

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Solution

The fourth proportional to 158,520.86, 237,884.34 and 68,651.36 is: 103,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,520.86 : 237,884.34 = 68,651.36 : x
  2. Step 2: Convert to fraction form
    158,520.86/237,884.34 = 68,651.36/x
  3. Step 3: Cross multiply
    158,520.86x = 237,884.34 × 68,651.36
  4. Step 4: Simplify right side
    158,520.86x = 16,331,083,463.70
  5. Step 5: Solve for x
    x = 16,331,083,463.70/158,520.86
  6. Step 6: Final answer
    x = 103,021.67

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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.