Home / 360,088.20-540,212.67-135,450.50

Finding the Fourth Proportional to 360,088.20, 540,212.67 and 135,450.50

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Solution

The fourth proportional to 360,088.20, 540,212.67 and 135,450.50 is: 203,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,088.20 : 540,212.67 = 135,450.50 : x
  2. Step 2: Convert to fraction form
    360,088.20/540,212.67 = 135,450.50/x
  3. Step 3: Cross multiply
    360,088.20x = 540,212.67 × 135,450.50
  4. Step 4: Simplify right side
    360,088.20x = 73,172,073,556.77
  5. Step 5: Solve for x
    x = 73,172,073,556.77/360,088.20
  6. Step 6: Final answer
    x = 203,205.97

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1.5x scale

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.