Home / 192,879.40-289,319.10-162,466.60

Finding the Fourth Proportional to 192,879.40, 289,319.10 and 162,466.60

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Solution

The fourth proportional to 192,879.40, 289,319.10 and 162,466.60 is: 243,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,879.40 : 289,319.10 = 162,466.60 : x
  2. Step 2: Convert to fraction form
    192,879.40/289,319.10 = 162,466.60/x
  3. Step 3: Cross multiply
    192,879.40x = 289,319.10 × 162,466.60
  4. Step 4: Simplify right side
    192,879.40x = 47,004,690,492.06
  5. Step 5: Solve for x
    x = 47,004,690,492.06/192,879.40
  6. Step 6: Final answer
    x = 243,699.90

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1.5x scale

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.