Home / 130,921.39-196,381.71-34,858.59

Finding the Fourth Proportional to 130,921.39, 196,381.71 and 34,858.59

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Solution

The fourth proportional to 130,921.39, 196,381.71 and 34,858.59 is: 52,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,921.39 : 196,381.71 = 34,858.59 : x
  2. Step 2: Convert to fraction form
    130,921.39/196,381.71 = 34,858.59/x
  3. Step 3: Cross multiply
    130,921.39x = 196,381.71 × 34,858.59
  4. Step 4: Simplify right side
    130,921.39x = 6,845,590,379.54
  5. Step 5: Solve for x
    x = 6,845,590,379.54/130,921.39
  6. Step 6: Final answer
    x = 52,287.79

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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.