Home / 163,669.37-245,476.71-45,352.67

Finding the Fourth Proportional to 163,669.37, 245,476.71 and 45,352.67

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Solution

The fourth proportional to 163,669.37, 245,476.71 and 45,352.67 is: 68,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,669.37 : 245,476.71 = 45,352.67 : x
  2. Step 2: Convert to fraction form
    163,669.37/245,476.71 = 45,352.67/x
  3. Step 3: Cross multiply
    163,669.37x = 245,476.71 × 45,352.67
  4. Step 4: Simplify right side
    163,669.37x = 11,133,022,993.93
  5. Step 5: Solve for x
    x = 11,133,022,993.93/163,669.37
  6. Step 6: Final answer
    x = 68,021.42

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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.