Home / 193,631.36-290,560.72-81,302.94

Finding the Fourth Proportional to 193,631.36, 290,560.72 and 81,302.94

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Solution

The fourth proportional to 193,631.36, 290,560.72 and 81,302.94 is: 122,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,631.36 : 290,560.72 = 81,302.94 : x
  2. Step 2: Convert to fraction form
    193,631.36/290,560.72 = 81,302.94/x
  3. Step 3: Cross multiply
    193,631.36x = 290,560.72 × 81,302.94
  4. Step 4: Simplify right side
    193,631.36x = 23,623,438,925.20
  5. Step 5: Solve for x
    x = 23,623,438,925.20/193,631.36
  6. Step 6: Final answer
    x = 122,002.14

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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.