Home / 121,256.33-167,334.08-66,806.64

Finding the Fourth Proportional to 121,256.33, 167,334.08 and 66,806.64

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Solution

The fourth proportional to 121,256.33, 167,334.08 and 66,806.64 is: 92,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,256.33 : 167,334.08 = 66,806.64 : x
  2. Step 2: Convert to fraction form
    121,256.33/167,334.08 = 66,806.64/x
  3. Step 3: Cross multiply
    121,256.33x = 167,334.08 × 66,806.64
  4. Step 4: Simplify right side
    121,256.33x = 11,179,027,308.26
  5. Step 5: Solve for x
    x = 11,179,027,308.26/121,256.33
  6. Step 6: Final answer
    x = 92,193.35

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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.