Home / 195,378.78-293,120.55-83,064.18

Finding the Fourth Proportional to 195,378.78, 293,120.55 and 83,064.18

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Solution

The fourth proportional to 195,378.78, 293,120.55 and 83,064.18 is: 124,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,378.78 : 293,120.55 = 83,064.18 : x
  2. Step 2: Convert to fraction form
    195,378.78/293,120.55 = 83,064.18/x
  3. Step 3: Cross multiply
    195,378.78x = 293,120.55 × 83,064.18
  4. Step 4: Simplify right side
    195,378.78x = 24,347,818,126.90
  5. Step 5: Solve for x
    x = 24,347,818,126.90/195,378.78
  6. Step 6: Final answer
    x = 124,618.54

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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.