Home / 121,274.64-167,359.20-70,297.20

Finding the Fourth Proportional to 121,274.64, 167,359.20 and 70,297.20

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Solution

The fourth proportional to 121,274.64, 167,359.20 and 70,297.20 is: 97,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274.64 : 167,359.20 = 70,297.20 : x
  2. Step 2: Convert to fraction form
    121,274.64/167,359.20 = 70,297.20/x
  3. Step 3: Cross multiply
    121,274.64x = 167,359.20 × 70,297.20
  4. Step 4: Simplify right side
    121,274.64x = 11,764,883,154.24
  5. Step 5: Solve for x
    x = 11,764,883,154.24/121,274.64
  6. Step 6: Final answer
    x = 97,010.25

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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.