Home / 156,162.16-233,865.60-89,399.80

Finding the Fourth Proportional to 156,162.16, 233,865.60 and 89,399.80

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Solution

The fourth proportional to 156,162.16, 233,865.60 and 89,399.80 is: 133,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,162.16 : 233,865.60 = 89,399.80 : x
  2. Step 2: Convert to fraction form
    156,162.16/233,865.60 = 89,399.80/x
  3. Step 3: Cross multiply
    156,162.16x = 233,865.60 × 89,399.80
  4. Step 4: Simplify right side
    156,162.16x = 20,907,537,866.88
  5. Step 5: Solve for x
    x = 20,907,537,866.88/156,162.16
  6. Step 6: Final answer
    x = 133,883.51

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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.