Home / 121,302.74-167,395.56-67,586.60

Finding the Fourth Proportional to 121,302.74, 167,395.56 and 67,586.60

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Solution

The fourth proportional to 121,302.74, 167,395.56 and 67,586.60 is: 93,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,302.74 : 167,395.56 = 67,586.60 : x
  2. Step 2: Convert to fraction form
    121,302.74/167,395.56 = 67,586.60/x
  3. Step 3: Cross multiply
    121,302.74x = 167,395.56 × 67,586.60
  4. Step 4: Simplify right side
    121,302.74x = 11,313,696,920.54
  5. Step 5: Solve for x
    x = 11,313,696,920.54/121,302.74
  6. Step 6: Final answer
    x = 93,268.27

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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.