Home / 157,838.51-217,811.62-94,143.35

Finding the Fourth Proportional to 157,838.51, 217,811.62 and 94,143.35

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Solution

The fourth proportional to 157,838.51, 217,811.62 and 94,143.35 is: 129,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,838.51 : 217,811.62 = 94,143.35 : x
  2. Step 2: Convert to fraction form
    157,838.51/217,811.62 = 94,143.35/x
  3. Step 3: Cross multiply
    157,838.51x = 217,811.62 × 94,143.35
  4. Step 4: Simplify right side
    157,838.51x = 20,505,515,575.73
  5. Step 5: Solve for x
    x = 20,505,515,575.73/157,838.51
  6. Step 6: Final answer
    x = 129,914.53

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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.