Home / 193,330.98-290,009.43-66,983.94

Finding the Fourth Proportional to 193,330.98, 290,009.43 and 66,983.94

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Solution

The fourth proportional to 193,330.98, 290,009.43 and 66,983.94 is: 100,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,330.98 : 290,009.43 = 66,983.94 : x
  2. Step 2: Convert to fraction form
    193,330.98/290,009.43 = 66,983.94/x
  3. Step 3: Cross multiply
    193,330.98x = 290,009.43 × 66,983.94
  4. Step 4: Simplify right side
    193,330.98x = 19,425,974,258.55
  5. Step 5: Solve for x
    x = 19,425,974,258.55/193,330.98
  6. Step 6: Final answer
    x = 100,480.40

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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.