Home / 195,708.29-293,619.35-81,909.80

Finding the Fourth Proportional to 195,708.29, 293,619.35 and 81,909.80

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Solution

The fourth proportional to 195,708.29, 293,619.35 and 81,909.80 is: 122,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,708.29 : 293,619.35 = 81,909.80 : x
  2. Step 2: Convert to fraction form
    195,708.29/293,619.35 = 81,909.80/x
  3. Step 3: Cross multiply
    195,708.29x = 293,619.35 × 81,909.80
  4. Step 4: Simplify right side
    195,708.29x = 24,050,300,356.98
  5. Step 5: Solve for x
    x = 24,050,300,356.98/195,708.29
  6. Step 6: Final answer
    x = 122,888.51

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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.