Home / 193,887.10-290,139.45-134,443.90

Finding the Fourth Proportional to 193,887.10, 290,139.45 and 134,443.90

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Solution

The fourth proportional to 193,887.10, 290,139.45 and 134,443.90 is: 201,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,887.10 : 290,139.45 = 134,443.90 : x
  2. Step 2: Convert to fraction form
    193,887.10/290,139.45 = 134,443.90/x
  3. Step 3: Cross multiply
    193,887.10x = 290,139.45 × 134,443.90
  4. Step 4: Simplify right side
    193,887.10x = 39,007,479,201.86
  5. Step 5: Solve for x
    x = 39,007,479,201.86/193,887.10
  6. Step 6: Final answer
    x = 201,186.56

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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.