Home / 121,132.54-167,161.22-67,417.57

Finding the Fourth Proportional to 121,132.54, 167,161.22 and 67,417.57

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Solution

The fourth proportional to 121,132.54, 167,161.22 and 67,417.57 is: 93,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,132.54 : 167,161.22 = 67,417.57 : x
  2. Step 2: Convert to fraction form
    121,132.54/167,161.22 = 67,417.57/x
  3. Step 3: Cross multiply
    121,132.54x = 167,161.22 × 67,417.57
  4. Step 4: Simplify right side
    121,132.54x = 11,269,602,435.03
  5. Step 5: Solve for x
    x = 11,269,602,435.03/121,132.54
  6. Step 6: Final answer
    x = 93,035.30

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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.