Home / 195,639.70-293,570.61-83,308.21

Finding the Fourth Proportional to 195,639.70, 293,570.61 and 83,308.21

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Solution

The fourth proportional to 195,639.70, 293,570.61 and 83,308.21 is: 125,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,639.70 : 293,570.61 = 83,308.21 : x
  2. Step 2: Convert to fraction form
    195,639.70/293,570.61 = 83,308.21/x
  3. Step 3: Cross multiply
    195,639.70x = 293,570.61 × 83,308.21
  4. Step 4: Simplify right side
    195,639.70x = 24,456,840,768.13
  5. Step 5: Solve for x
    x = 24,456,840,768.13/195,639.70
  6. Step 6: Final answer
    x = 125,009.60

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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.