Home / 130,724.07-195,826.09-102,511.77

Finding the Fourth Proportional to 130,724.07, 195,826.09 and 102,511.77

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Solution

The fourth proportional to 130,724.07, 195,826.09 and 102,511.77 is: 153,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,724.07 : 195,826.09 = 102,511.77 : x
  2. Step 2: Convert to fraction form
    130,724.07/195,826.09 = 102,511.77/x
  3. Step 3: Cross multiply
    130,724.07x = 195,826.09 × 102,511.77
  4. Step 4: Simplify right side
    130,724.07x = 20,074,479,098.08
  5. Step 5: Solve for x
    x = 20,074,479,098.08/130,724.07
  6. Step 6: Final answer
    x = 153,563.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.