Home / 157,933.86-217,959.27-89,040.33

Finding the Fourth Proportional to 157,933.86, 217,959.27 and 89,040.33

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Solution

The fourth proportional to 157,933.86, 217,959.27 and 89,040.33 is: 122,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,933.86 : 217,959.27 = 89,040.33 : x
  2. Step 2: Convert to fraction form
    157,933.86/217,959.27 = 89,040.33/x
  3. Step 3: Cross multiply
    157,933.86x = 217,959.27 × 89,040.33
  4. Step 4: Simplify right side
    157,933.86x = 19,407,165,327.36
  5. Step 5: Solve for x
    x = 19,407,165,327.36/157,933.86
  6. Step 6: Final answer
    x = 122,881.60

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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.