Home / 180,340.34-270,556.64-105,523.41

Finding the Fourth Proportional to 180,340.34, 270,556.64 and 105,523.41

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Solution

The fourth proportional to 180,340.34, 270,556.64 and 105,523.41 is: 158,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,340.34 : 270,556.64 = 105,523.41 : x
  2. Step 2: Convert to fraction form
    180,340.34/270,556.64 = 105,523.41/x
  3. Step 3: Cross multiply
    180,340.34x = 270,556.64 × 105,523.41
  4. Step 4: Simplify right side
    180,340.34x = 28,550,059,250.94
  5. Step 5: Solve for x
    x = 28,550,059,250.94/180,340.34
  6. Step 6: Final answer
    x = 158,312.11

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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.