Home / 179,779.70-269,599.50-67,398.63

Finding the Fourth Proportional to 179,779.70, 269,599.50 and 67,398.63

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Solution

The fourth proportional to 179,779.70, 269,599.50 and 67,398.63 is: 101,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,779.70 : 269,599.50 = 67,398.63 : x
  2. Step 2: Convert to fraction form
    179,779.70/269,599.50 = 67,398.63/x
  3. Step 3: Cross multiply
    179,779.70x = 269,599.50 × 67,398.63
  4. Step 4: Simplify right side
    179,779.70x = 18,170,636,948.69
  5. Step 5: Solve for x
    x = 18,170,636,948.69/179,779.70
  6. Step 6: Final answer
    x = 101,071.69

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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.