Home / 189,333.97-261,280.86-104,451.03

Finding the Fourth Proportional to 189,333.97, 261,280.86 and 104,451.03

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Solution

The fourth proportional to 189,333.97, 261,280.86 and 104,451.03 is: 144,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,333.97 : 261,280.86 = 104,451.03 : x
  2. Step 2: Convert to fraction form
    189,333.97/261,280.86 = 104,451.03/x
  3. Step 3: Cross multiply
    189,333.97x = 261,280.86 × 104,451.03
  4. Step 4: Simplify right side
    189,333.97x = 27,291,054,946.29
  5. Step 5: Solve for x
    x = 27,291,054,946.29/189,333.97
  6. Step 6: Final answer
    x = 144,142.41

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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.