Home / 195,436.40-293,125.80-55,209.20

Finding the Fourth Proportional to 195,436.40, 293,125.80 and 55,209.20

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Solution

The fourth proportional to 195,436.40, 293,125.80 and 55,209.20 is: 82,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,436.40 : 293,125.80 = 55,209.20 : x
  2. Step 2: Convert to fraction form
    195,436.40/293,125.80 = 55,209.20/x
  3. Step 3: Cross multiply
    195,436.40x = 293,125.80 × 55,209.20
  4. Step 4: Simplify right side
    195,436.40x = 16,183,240,917.36
  5. Step 5: Solve for x
    x = 16,183,240,917.36/195,436.40
  6. Step 6: Final answer
    x = 82,805.66

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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.