Home / 195,511.40-269,806.18-106,087.40

Finding the Fourth Proportional to 195,511.40, 269,806.18 and 106,087.40

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Solution

The fourth proportional to 195,511.40, 269,806.18 and 106,087.40 is: 146,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,511.40 : 269,806.18 = 106,087.40 : x
  2. Step 2: Convert to fraction form
    195,511.40/269,806.18 = 106,087.40/x
  3. Step 3: Cross multiply
    195,511.40x = 269,806.18 × 106,087.40
  4. Step 4: Simplify right side
    195,511.40x = 28,623,036,140.13
  5. Step 5: Solve for x
    x = 28,623,036,140.13/195,511.40
  6. Step 6: Final answer
    x = 146,400.86

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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.