Home / 117,103.22-161,602.44-66,802.22

Finding the Fourth Proportional to 117,103.22, 161,602.44 and 66,802.22

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Solution

The fourth proportional to 117,103.22, 161,602.44 and 66,802.22 is: 92,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103.22 : 161,602.44 = 66,802.22 : x
  2. Step 2: Convert to fraction form
    117,103.22/161,602.44 = 66,802.22/x
  3. Step 3: Cross multiply
    117,103.22x = 161,602.44 × 66,802.22
  4. Step 4: Simplify right side
    117,103.22x = 10,795,401,672.67
  5. Step 5: Solve for x
    x = 10,795,401,672.67/117,103.22
  6. Step 6: Final answer
    x = 92,187.06

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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.