Home / 193,718.12-290,576.72-51,563.40

Finding the Fourth Proportional to 193,718.12, 290,576.72 and 51,563.40

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Solution

The fourth proportional to 193,718.12, 290,576.72 and 51,563.40 is: 77,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,718.12 : 290,576.72 = 51,563.40 : x
  2. Step 2: Convert to fraction form
    193,718.12/290,576.72 = 51,563.40/x
  3. Step 3: Cross multiply
    193,718.12x = 290,576.72 × 51,563.40
  4. Step 4: Simplify right side
    193,718.12x = 14,983,123,644.05
  5. Step 5: Solve for x
    x = 14,983,123,644.05/193,718.12
  6. Step 6: Final answer
    x = 77,344.98

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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.