Home / 193,548.40-290,247.72-75,204.16

Finding the Fourth Proportional to 193,548.40, 290,247.72 and 75,204.16

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Solution

The fourth proportional to 193,548.40, 290,247.72 and 75,204.16 is: 112,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548.40 : 290,247.72 = 75,204.16 : x
  2. Step 2: Convert to fraction form
    193,548.40/290,247.72 = 75,204.16/x
  3. Step 3: Cross multiply
    193,548.40x = 290,247.72 × 75,204.16
  4. Step 4: Simplify right side
    193,548.40x = 21,827,835,974.52
  5. Step 5: Solve for x
    x = 21,827,835,974.52/193,548.40
  6. Step 6: Final answer
    x = 112,777.15

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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.