Home / 251,636.92-377,272.20-118,443.16

Finding the Fourth Proportional to 251,636.92, 377,272.20 and 118,443.16

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Solution

The fourth proportional to 251,636.92, 377,272.20 and 118,443.16 is: 177,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,636.92 : 377,272.20 = 118,443.16 : x
  2. Step 2: Convert to fraction form
    251,636.92/377,272.20 = 118,443.16/x
  3. Step 3: Cross multiply
    251,636.92x = 377,272.20 × 118,443.16
  4. Step 4: Simplify right side
    251,636.92x = 44,685,311,548.15
  5. Step 5: Solve for x
    x = 44,685,311,548.15/251,636.92
  6. Step 6: Final answer
    x = 177,578.52

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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.