Home / 121,244.64-167,317.49-70,286.88

Finding the Fourth Proportional to 121,244.64, 167,317.49 and 70,286.88

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Solution

The fourth proportional to 121,244.64, 167,317.49 and 70,286.88 is: 96,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244.64 : 167,317.49 = 70,286.88 : x
  2. Step 2: Convert to fraction form
    121,244.64/167,317.49 = 70,286.88/x
  3. Step 3: Cross multiply
    121,244.64x = 167,317.49 × 70,286.88
  4. Step 4: Simplify right side
    121,244.64x = 11,760,224,341.53
  5. Step 5: Solve for x
    x = 11,760,224,341.53/121,244.64
  6. Step 6: Final answer
    x = 96,995.83

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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.