Home / 195,968.12-293,920.69-53,780.18

Finding the Fourth Proportional to 195,968.12, 293,920.69 and 53,780.18

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Solution

The fourth proportional to 195,968.12, 293,920.69 and 53,780.18 is: 80,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,968.12 : 293,920.69 = 53,780.18 : x
  2. Step 2: Convert to fraction form
    195,968.12/293,920.69 = 53,780.18/x
  3. Step 3: Cross multiply
    195,968.12x = 293,920.69 × 53,780.18
  4. Step 4: Simplify right side
    195,968.12x = 15,807,107,613.92
  5. Step 5: Solve for x
    x = 15,807,107,613.92/195,968.12
  6. Step 6: Final answer
    x = 80,661.63

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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.