Home / 195,351.61-293,027.42-128,776.17

Finding the Fourth Proportional to 195,351.61, 293,027.42 and 128,776.17

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Solution

The fourth proportional to 195,351.61, 293,027.42 and 128,776.17 is: 193,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,351.61 : 293,027.42 = 128,776.17 : x
  2. Step 2: Convert to fraction form
    195,351.61/293,027.42 = 128,776.17/x
  3. Step 3: Cross multiply
    195,351.61x = 293,027.42 × 128,776.17
  4. Step 4: Simplify right side
    195,351.61x = 37,734,948,852.58
  5. Step 5: Solve for x
    x = 37,734,948,852.58/195,351.61
  6. Step 6: Final answer
    x = 193,164.26

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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.