Home / 189,592.03-261,636.91-104,708.35

Finding the Fourth Proportional to 189,592.03, 261,636.91 and 104,708.35

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Solution

The fourth proportional to 189,592.03, 261,636.91 and 104,708.35 is: 144,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,592.03 : 261,636.91 = 104,708.35 : x
  2. Step 2: Convert to fraction form
    189,592.03/261,636.91 = 104,708.35/x
  3. Step 3: Cross multiply
    189,592.03x = 261,636.91 × 104,708.35
  4. Step 4: Simplify right side
    189,592.03x = 27,395,569,145.20
  5. Step 5: Solve for x
    x = 27,395,569,145.20/189,592.03
  6. Step 6: Final answer
    x = 144,497.47

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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.