Home / 193,003.70-289,375.95-103,061.30

Finding the Fourth Proportional to 193,003.70, 289,375.95 and 103,061.30

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Solution

The fourth proportional to 193,003.70, 289,375.95 and 103,061.30 is: 154,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,003.70 : 289,375.95 = 103,061.30 : x
  2. Step 2: Convert to fraction form
    193,003.70/289,375.95 = 103,061.30/x
  3. Step 3: Cross multiply
    193,003.70x = 289,375.95 × 103,061.30
  4. Step 4: Simplify right side
    193,003.70x = 29,823,461,595.74
  5. Step 5: Solve for x
    x = 29,823,461,595.74/193,003.70
  6. Step 6: Final answer
    x = 154,522.75

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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.