Home / 165,728.12-248,621.40-60,693.80

Finding the Fourth Proportional to 165,728.12, 248,621.40 and 60,693.80

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Solution

The fourth proportional to 165,728.12, 248,621.40 and 60,693.80 is: 91,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,728.12 : 248,621.40 = 60,693.80 : x
  2. Step 2: Convert to fraction form
    165,728.12/248,621.40 = 60,693.80/x
  3. Step 3: Cross multiply
    165,728.12x = 248,621.40 × 60,693.80
  4. Step 4: Simplify right side
    165,728.12x = 15,089,777,527.32
  5. Step 5: Solve for x
    x = 15,089,777,527.32/165,728.12
  6. Step 6: Final answer
    x = 91,051.40

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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.