Home / 195,720.48-270,069.02-115,118.60

Finding the Fourth Proportional to 195,720.48, 270,069.02 and 115,118.60

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Solution

The fourth proportional to 195,720.48, 270,069.02 and 115,118.60 is: 158,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,720.48 : 270,069.02 = 115,118.60 : x
  2. Step 2: Convert to fraction form
    195,720.48/270,069.02 = 115,118.60/x
  3. Step 3: Cross multiply
    195,720.48x = 270,069.02 × 115,118.60
  4. Step 4: Simplify right side
    195,720.48x = 31,089,967,485.77
  5. Step 5: Solve for x
    x = 31,089,967,485.77/195,720.48
  6. Step 6: Final answer
    x = 158,848.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.