Home / 121,270.65-167,355.23-69,596.16

Finding the Fourth Proportional to 121,270.65, 167,355.23 and 69,596.16

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Solution

The fourth proportional to 121,270.65, 167,355.23 and 69,596.16 is: 96,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,270.65 : 167,355.23 = 69,596.16 : x
  2. Step 2: Convert to fraction form
    121,270.65/167,355.23 = 69,596.16/x
  3. Step 3: Cross multiply
    121,270.65x = 167,355.23 × 69,596.16
  4. Step 4: Simplify right side
    121,270.65x = 11,647,281,015.94
  5. Step 5: Solve for x
    x = 11,647,281,015.94/121,270.65
  6. Step 6: Final answer
    x = 96,043.69

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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.