Home / 111,181.84-153,448.98-68,185.24

Finding the Fourth Proportional to 111,181.84, 153,448.98 and 68,185.24

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Solution

The fourth proportional to 111,181.84, 153,448.98 and 68,185.24 is: 94,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.84 : 153,448.98 = 68,185.24 : x
  2. Step 2: Convert to fraction form
    111,181.84/153,448.98 = 68,185.24/x
  3. Step 3: Cross multiply
    111,181.84x = 153,448.98 × 68,185.24
  4. Step 4: Simplify right side
    111,181.84x = 10,462,955,529.06
  5. Step 5: Solve for x
    x = 10,462,955,529.06/111,181.84
  6. Step 6: Final answer
    x = 94,106.70

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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.