Home / 117,103.14-161,624.22-66,802.14

Finding the Fourth Proportional to 117,103.14, 161,624.22 and 66,802.14

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Solution

The fourth proportional to 117,103.14, 161,624.22 and 66,802.14 is: 92,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103.14 : 161,624.22 = 66,802.14 : x
  2. Step 2: Convert to fraction form
    117,103.14/161,624.22 = 66,802.14/x
  3. Step 3: Cross multiply
    117,103.14x = 161,624.22 × 66,802.14
  4. Step 4: Simplify right side
    117,103.14x = 10,796,843,771.83
  5. Step 5: Solve for x
    x = 10,796,843,771.83/117,103.14
  6. Step 6: Final answer
    x = 92,199.44

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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.