Home / 195,654.09-293,433.88-81,740.34

Finding the Fourth Proportional to 195,654.09, 293,433.88 and 81,740.34

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Solution

The fourth proportional to 195,654.09, 293,433.88 and 81,740.34 is: 122,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,654.09 : 293,433.88 = 81,740.34 : x
  2. Step 2: Convert to fraction form
    195,654.09/293,433.88 = 81,740.34/x
  3. Step 3: Cross multiply
    195,654.09x = 293,433.88 × 81,740.34
  4. Step 4: Simplify right side
    195,654.09x = 23,985,385,118.72
  5. Step 5: Solve for x
    x = 23,985,385,118.72/195,654.09
  6. Step 6: Final answer
    x = 122,590.77

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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.