Home / 179,543.76-269,322.45-67,212.15

Finding the Fourth Proportional to 179,543.76, 269,322.45 and 67,212.15

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Solution

The fourth proportional to 179,543.76, 269,322.45 and 67,212.15 is: 100,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,543.76 : 269,322.45 = 67,212.15 : x
  2. Step 2: Convert to fraction form
    179,543.76/269,322.45 = 67,212.15/x
  3. Step 3: Cross multiply
    179,543.76x = 269,322.45 × 67,212.15
  4. Step 4: Simplify right side
    179,543.76x = 18,101,740,907.77
  5. Step 5: Solve for x
    x = 18,101,740,907.77/179,543.76
  6. Step 6: Final answer
    x = 100,820.77

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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.