Home / 354,450.40-531,742.88-114,628.80

Finding the Fourth Proportional to 354,450.40, 531,742.88 and 114,628.80

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Solution

The fourth proportional to 354,450.40, 531,742.88 and 114,628.80 is: 171,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,450.40 : 531,742.88 = 114,628.80 : x
  2. Step 2: Convert to fraction form
    354,450.40/531,742.88 = 114,628.80/x
  3. Step 3: Cross multiply
    354,450.40x = 531,742.88 × 114,628.80
  4. Step 4: Simplify right side
    354,450.40x = 60,953,048,242.94
  5. Step 5: Solve for x
    x = 60,953,048,242.94/354,450.40
  6. Step 6: Final answer
    x = 171,964.96

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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.