Home / 262,076.21-361,640.18-153,206.00

Finding the Fourth Proportional to 262,076.21, 361,640.18 and 153,206.00

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Solution

The fourth proportional to 262,076.21, 361,640.18 and 153,206.00 is: 211,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,076.21 : 361,640.18 = 153,206.00 : x
  2. Step 2: Convert to fraction form
    262,076.21/361,640.18 = 153,206.00/x
  3. Step 3: Cross multiply
    262,076.21x = 361,640.18 × 153,206.00
  4. Step 4: Simplify right side
    262,076.21x = 55,405,442,842.85
  5. Step 5: Solve for x
    x = 55,405,442,842.85/262,076.21
  6. Step 6: Final answer
    x = 211,409.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.