Home / 144,511.70-216,713.68-49,715.37

Finding the Fourth Proportional to 144,511.70, 216,713.68 and 49,715.37

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Solution

The fourth proportional to 144,511.70, 216,713.68 and 49,715.37 is: 74,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,511.70 : 216,713.68 = 49,715.37 : x
  2. Step 2: Convert to fraction form
    144,511.70/216,713.68 = 49,715.37/x
  3. Step 3: Cross multiply
    144,511.70x = 216,713.68 × 49,715.37
  4. Step 4: Simplify right side
    144,511.70x = 10,774,000,660.97
  5. Step 5: Solve for x
    x = 10,774,000,660.97/144,511.70
  6. Step 6: Final answer
    x = 74,554.52

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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.