Home / 189,586.26-261,625.40-104,701.50

Finding the Fourth Proportional to 189,586.26, 261,625.40 and 104,701.50

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Solution

The fourth proportional to 189,586.26, 261,625.40 and 104,701.50 is: 144,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,586.26 : 261,625.40 = 104,701.50 : x
  2. Step 2: Convert to fraction form
    189,586.26/261,625.40 = 104,701.50/x
  3. Step 3: Cross multiply
    189,586.26x = 261,625.40 × 104,701.50
  4. Step 4: Simplify right side
    189,586.26x = 27,392,571,818.10
  5. Step 5: Solve for x
    x = 27,392,571,818.10/189,586.26
  6. Step 6: Final answer
    x = 144,486.06

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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.