Home / 116,110.44-160,222.50-78,435.72

Finding the Fourth Proportional to 116,110.44, 160,222.50 and 78,435.72

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Solution

The fourth proportional to 116,110.44, 160,222.50 and 78,435.72 is: 108,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,110.44 : 160,222.50 = 78,435.72 : x
  2. Step 2: Convert to fraction form
    116,110.44/160,222.50 = 78,435.72/x
  3. Step 3: Cross multiply
    116,110.44x = 160,222.50 × 78,435.72
  4. Step 4: Simplify right side
    116,110.44x = 12,567,167,147.70
  5. Step 5: Solve for x
    x = 12,567,167,147.70/116,110.44
  6. Step 6: Final answer
    x = 108,234.60

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1.5x scale

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.