Home / 189,541.17-261,568.49-104,664.69

Finding the Fourth Proportional to 189,541.17, 261,568.49 and 104,664.69

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Solution

The fourth proportional to 189,541.17, 261,568.49 and 104,664.69 is: 144,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,541.17 : 261,568.49 = 104,664.69 : x
  2. Step 2: Convert to fraction form
    189,541.17/261,568.49 = 104,664.69/x
  3. Step 3: Cross multiply
    189,541.17x = 261,568.49 × 104,664.69
  4. Step 4: Simplify right side
    189,541.17x = 27,376,984,396.29
  5. Step 5: Solve for x
    x = 27,376,984,396.29/189,541.17
  6. Step 6: Final answer
    x = 144,438.19

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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.