Home / 117,268.63-161,838.81-71,346.19

Finding the Fourth Proportional to 117,268.63, 161,838.81 and 71,346.19

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Solution

The fourth proportional to 117,268.63, 161,838.81 and 71,346.19 is: 98,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,268.63 : 161,838.81 = 71,346.19 : x
  2. Step 2: Convert to fraction form
    117,268.63/161,838.81 = 71,346.19/x
  3. Step 3: Cross multiply
    117,268.63x = 161,838.81 × 71,346.19
  4. Step 4: Simplify right side
    117,268.63x = 11,546,582,309.27
  5. Step 5: Solve for x
    x = 11,546,582,309.27/117,268.63
  6. Step 6: Final answer
    x = 98,462.67

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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.