Home / 179,071.86-247,119.66-98,507.64

Finding the Fourth Proportional to 179,071.86, 247,119.66 and 98,507.64

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Solution

The fourth proportional to 179,071.86, 247,119.66 and 98,507.64 is: 135,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,071.86 : 247,119.66 = 98,507.64 : x
  2. Step 2: Convert to fraction form
    179,071.86/247,119.66 = 98,507.64/x
  3. Step 3: Cross multiply
    179,071.86x = 247,119.66 × 98,507.64
  4. Step 4: Simplify right side
    179,071.86x = 24,343,174,504.20
  5. Step 5: Solve for x
    x = 24,343,174,504.20/179,071.86
  6. Step 6: Final answer
    x = 135,940.81

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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.