Home / 127,021.96-190,539.42-48,142.54

Finding the Fourth Proportional to 127,021.96, 190,539.42 and 48,142.54

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Solution

The fourth proportional to 127,021.96, 190,539.42 and 48,142.54 is: 72,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,021.96 : 190,539.42 = 48,142.54 : x
  2. Step 2: Convert to fraction form
    127,021.96/190,539.42 = 48,142.54/x
  3. Step 3: Cross multiply
    127,021.96x = 190,539.42 × 48,142.54
  4. Step 4: Simplify right side
    127,021.96x = 9,173,051,648.93
  5. Step 5: Solve for x
    x = 9,173,051,648.93/127,021.96
  6. Step 6: Final answer
    x = 72,216.27

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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.