Home / 161,660.88-242,539.32-82,830.48

Finding the Fourth Proportional to 161,660.88, 242,539.32 and 82,830.48

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Solution

The fourth proportional to 161,660.88, 242,539.32 and 82,830.48 is: 124,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.88 : 242,539.32 = 82,830.48 : x
  2. Step 2: Convert to fraction form
    161,660.88/242,539.32 = 82,830.48/x
  3. Step 3: Cross multiply
    161,660.88x = 242,539.32 × 82,830.48
  4. Step 4: Simplify right side
    161,660.88x = 20,089,648,294.47
  5. Step 5: Solve for x
    x = 20,089,648,294.47/161,660.88
  6. Step 6: Final answer
    x = 124,270.31

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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.