Home / 161,208.65-222,450.23-93,215.32

Finding the Fourth Proportional to 161,208.65, 222,450.23 and 93,215.32

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Solution

The fourth proportional to 161,208.65, 222,450.23 and 93,215.32 is: 128,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208.65 : 222,450.23 = 93,215.32 : x
  2. Step 2: Convert to fraction form
    161,208.65/222,450.23 = 93,215.32/x
  3. Step 3: Cross multiply
    161,208.65x = 222,450.23 × 93,215.32
  4. Step 4: Simplify right side
    161,208.65x = 20,735,770,301.72
  5. Step 5: Solve for x
    x = 20,735,770,301.72/161,208.65
  6. Step 6: Final answer
    x = 128,626.91

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1.5x scale

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.