Home / 193,111.24-289,749.30-99,682.60

Finding the Fourth Proportional to 193,111.24, 289,749.30 and 99,682.60

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Solution

The fourth proportional to 193,111.24, 289,749.30 and 99,682.60 is: 149,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,111.24 : 289,749.30 = 99,682.60 : x
  2. Step 2: Convert to fraction form
    193,111.24/289,749.30 = 99,682.60/x
  3. Step 3: Cross multiply
    193,111.24x = 289,749.30 × 99,682.60
  4. Step 4: Simplify right side
    193,111.24x = 28,882,963,572.18
  5. Step 5: Solve for x
    x = 28,882,963,572.18/193,111.24
  6. Step 6: Final answer
    x = 149,566.45

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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.