Home / 189,264.88-261,185.61-104,387.41

Finding the Fourth Proportional to 189,264.88, 261,185.61 and 104,387.41

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Solution

The fourth proportional to 189,264.88, 261,185.61 and 104,387.41 is: 144,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,264.88 : 261,185.61 = 104,387.41 : x
  2. Step 2: Convert to fraction form
    189,264.88/261,185.61 = 104,387.41/x
  3. Step 3: Cross multiply
    189,264.88x = 261,185.61 × 104,387.41
  4. Step 4: Simplify right side
    189,264.88x = 27,264,489,357.17
  5. Step 5: Solve for x
    x = 27,264,489,357.17/189,264.88
  6. Step 6: Final answer
    x = 144,054.67

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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.