Home / 259,617.60-388,562.40-188,337.60

Finding the Fourth Proportional to 259,617.60, 388,562.40 and 188,337.60

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Solution

The fourth proportional to 259,617.60, 388,562.40 and 188,337.60 is: 281,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,617.60 : 388,562.40 = 188,337.60 : x
  2. Step 2: Convert to fraction form
    259,617.60/388,562.40 = 188,337.60/x
  3. Step 3: Cross multiply
    259,617.60x = 388,562.40 × 188,337.60
  4. Step 4: Simplify right side
    259,617.60x = 73,180,909,866.24
  5. Step 5: Solve for x
    x = 73,180,909,866.24/259,617.60
  6. Step 6: Final answer
    x = 281,879.62

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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.