Home / 189,802.04-261,918.81-109,232.33

Finding the Fourth Proportional to 189,802.04, 261,918.81 and 109,232.33

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Solution

The fourth proportional to 189,802.04, 261,918.81 and 109,232.33 is: 150,736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,802.04 : 261,918.81 = 109,232.33 : x
  2. Step 2: Convert to fraction form
    189,802.04/261,918.81 = 109,232.33/x
  3. Step 3: Cross multiply
    189,802.04x = 261,918.81 × 109,232.33
  4. Step 4: Simplify right side
    189,802.04x = 28,610,000,577.53
  5. Step 5: Solve for x
    x = 28,610,000,577.53/189,802.04
  6. Step 6: Final answer
    x = 150,736.01

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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.