Home / 193,116.70-290,003.10-143,253.10

Finding the Fourth Proportional to 193,116.70, 290,003.10 and 143,253.10

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Solution

The fourth proportional to 193,116.70, 290,003.10 and 143,253.10 is: 215,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,116.70 : 290,003.10 = 143,253.10 : x
  2. Step 2: Convert to fraction form
    193,116.70/290,003.10 = 143,253.10/x
  3. Step 3: Cross multiply
    193,116.70x = 290,003.10 × 143,253.10
  4. Step 4: Simplify right side
    193,116.70x = 41,543,843,084.61
  5. Step 5: Solve for x
    x = 41,543,843,084.61/193,116.70
  6. Step 6: Final answer
    x = 215,123.00

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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.