Home / 189,528.84-261,546.66-104,643.72

Finding the Fourth Proportional to 189,528.84, 261,546.66 and 104,643.72

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Solution

The fourth proportional to 189,528.84, 261,546.66 and 104,643.72 is: 144,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,528.84 : 261,546.66 = 104,643.72 : x
  2. Step 2: Convert to fraction form
    189,528.84/261,546.66 = 104,643.72/x
  3. Step 3: Cross multiply
    189,528.84x = 261,546.66 × 104,643.72
  4. Step 4: Simplify right side
    189,528.84x = 27,369,215,455.98
  5. Step 5: Solve for x
    x = 27,369,215,455.98/189,528.84
  6. Step 6: Final answer
    x = 144,406.60

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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.