Home / 236,074.51-354,111.27-73,981

Finding the Fourth Proportional to 236,074.51, 354,111.27 and 73,981

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Solution

The fourth proportional to 236,074.51, 354,111.27 and 73,981 is: 110,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,074.51 : 354,111.27 = 73,981 : x
  2. Step 2: Convert to fraction form
    236,074.51/354,111.27 = 73,981/x
  3. Step 3: Cross multiply
    236,074.51x = 354,111.27 × 73,981
  4. Step 4: Simplify right side
    236,074.51x = 26,197,505,865.87
  5. Step 5: Solve for x
    x = 26,197,505,865.87/236,074.51
  6. Step 6: Final answer
    x = 110,971.34

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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.