Home / 195,971.67-293,957.64-129,396.15

Finding the Fourth Proportional to 195,971.67, 293,957.64 and 129,396.15

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Solution

The fourth proportional to 195,971.67, 293,957.64 and 129,396.15 is: 194,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,971.67 : 293,957.64 = 129,396.15 : x
  2. Step 2: Convert to fraction form
    195,971.67/293,957.64 = 129,396.15/x
  3. Step 3: Cross multiply
    195,971.67x = 293,957.64 × 129,396.15
  4. Step 4: Simplify right side
    195,971.67x = 38,036,986,879.09
  5. Step 5: Solve for x
    x = 38,036,986,879.09/195,971.67
  6. Step 6: Final answer
    x = 194,094.31

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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.