Home / 195,780.40-293,767.80-111,605.20

Finding the Fourth Proportional to 195,780.40, 293,767.80 and 111,605.20

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Solution

The fourth proportional to 195,780.40, 293,767.80 and 111,605.20 is: 167,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,780.40 : 293,767.80 = 111,605.20 : x
  2. Step 2: Convert to fraction form
    195,780.40/293,767.80 = 111,605.20/x
  3. Step 3: Cross multiply
    195,780.40x = 293,767.80 × 111,605.20
  4. Step 4: Simplify right side
    195,780.40x = 32,786,014,072.56
  5. Step 5: Solve for x
    x = 32,786,014,072.56/195,780.40
  6. Step 6: Final answer
    x = 167,463.21

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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.