Home / 219,378.03-329,116.26-69,623.22

Finding the Fourth Proportional to 219,378.03, 329,116.26 and 69,623.22

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Solution

The fourth proportional to 219,378.03, 329,116.26 and 69,623.22 is: 104,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,378.03 : 329,116.26 = 69,623.22 : x
  2. Step 2: Convert to fraction form
    219,378.03/329,116.26 = 69,623.22/x
  3. Step 3: Cross multiply
    219,378.03x = 329,116.26 × 69,623.22
  4. Step 4: Simplify right side
    219,378.03x = 22,914,133,775.56
  5. Step 5: Solve for x
    x = 22,914,133,775.56/219,378.03
  6. Step 6: Final answer
    x = 104,450.45

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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.