Home / 238,015.49-357,024.44-80,245.31

Finding the Fourth Proportional to 238,015.49, 357,024.44 and 80,245.31

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Solution

The fourth proportional to 238,015.49, 357,024.44 and 80,245.31 is: 120,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,015.49 : 357,024.44 = 80,245.31 : x
  2. Step 2: Convert to fraction form
    238,015.49/357,024.44 = 80,245.31/x
  3. Step 3: Cross multiply
    238,015.49x = 357,024.44 × 80,245.31
  4. Step 4: Simplify right side
    238,015.49x = 28,649,535,280.87
  5. Step 5: Solve for x
    x = 28,649,535,280.87/238,015.49
  6. Step 6: Final answer
    x = 120,368.37

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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.