Home / 179,430.24-269,152.80-67,099.20

Finding the Fourth Proportional to 179,430.24, 269,152.80 and 67,099.20

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Solution

The fourth proportional to 179,430.24, 269,152.80 and 67,099.20 is: 100,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.24 : 269,152.80 = 67,099.20 : x
  2. Step 2: Convert to fraction form
    179,430.24/269,152.80 = 67,099.20/x
  3. Step 3: Cross multiply
    179,430.24x = 269,152.80 × 67,099.20
  4. Step 4: Simplify right side
    179,430.24x = 18,059,937,557.76
  5. Step 5: Solve for x
    x = 18,059,937,557.76/179,430.24
  6. Step 6: Final answer
    x = 100,651.58

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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.