Home / 130,396.52-179,947.30-73,826.12

Finding the Fourth Proportional to 130,396.52, 179,947.30 and 73,826.12

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Solution

The fourth proportional to 130,396.52, 179,947.30 and 73,826.12 is: 101,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,396.52 : 179,947.30 = 73,826.12 : x
  2. Step 2: Convert to fraction form
    130,396.52/179,947.30 = 73,826.12/x
  3. Step 3: Cross multiply
    130,396.52x = 179,947.30 × 73,826.12
  4. Step 4: Simplify right side
    130,396.52x = 13,284,810,963.48
  5. Step 5: Solve for x
    x = 13,284,810,963.48/130,396.52
  6. Step 6: Final answer
    x = 101,880.10

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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.