Home / 130,415.06-179,972.79-73,826.44

Finding the Fourth Proportional to 130,415.06, 179,972.79 and 73,826.44

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Solution

The fourth proportional to 130,415.06, 179,972.79 and 73,826.44 is: 101,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415.06 : 179,972.79 = 73,826.44 : x
  2. Step 2: Convert to fraction form
    130,415.06/179,972.79 = 73,826.44/x
  3. Step 3: Cross multiply
    130,415.06x = 179,972.79 × 73,826.44
  4. Step 4: Simplify right side
    130,415.06x = 13,286,749,655.79
  5. Step 5: Solve for x
    x = 13,286,749,655.79/130,415.06
  6. Step 6: Final answer
    x = 101,880.48

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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.