Home / 366,985.27-550,478.75-100,749.43

Finding the Fourth Proportional to 366,985.27, 550,478.75 and 100,749.43

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Solution

The fourth proportional to 366,985.27, 550,478.75 and 100,749.43 is: 151,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.27 : 550,478.75 = 100,749.43 : x
  2. Step 2: Convert to fraction form
    366,985.27/550,478.75 = 100,749.43/x
  3. Step 3: Cross multiply
    366,985.27x = 550,478.75 × 100,749.43
  4. Step 4: Simplify right side
    366,985.27x = 55,460,420,289.61
  5. Step 5: Solve for x
    x = 55,460,420,289.61/366,985.27
  6. Step 6: Final answer
    x = 151,124.38

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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.