Home / 195,551.40-293,181.30-83,139.60

Finding the Fourth Proportional to 195,551.40, 293,181.30 and 83,139.60

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Solution

The fourth proportional to 195,551.40, 293,181.30 and 83,139.60 is: 124,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,551.40 : 293,181.30 = 83,139.60 : x
  2. Step 2: Convert to fraction form
    195,551.40/293,181.30 = 83,139.60/x
  3. Step 3: Cross multiply
    195,551.40x = 293,181.30 × 83,139.60
  4. Step 4: Simplify right side
    195,551.40x = 24,374,976,009.48
  5. Step 5: Solve for x
    x = 24,374,976,009.48/195,551.40
  6. Step 6: Final answer
    x = 124,647.41

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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.