Home / 121,368.04-167,559.66-107,902.03

Finding the Fourth Proportional to 121,368.04, 167,559.66 and 107,902.03

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Solution

The fourth proportional to 121,368.04, 167,559.66 and 107,902.03 is: 148,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,368.04 : 167,559.66 = 107,902.03 : x
  2. Step 2: Convert to fraction form
    121,368.04/167,559.66 = 107,902.03/x
  3. Step 3: Cross multiply
    121,368.04x = 167,559.66 × 107,902.03
  4. Step 4: Simplify right side
    121,368.04x = 18,080,027,190.35
  5. Step 5: Solve for x
    x = 18,080,027,190.35/121,368.04
  6. Step 6: Final answer
    x = 148,968.60

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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.