Home / 156,324-234,458.88-43,977.60

Finding the Fourth Proportional to 156,324, 234,458.88 and 43,977.60

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Solution

The fourth proportional to 156,324, 234,458.88 and 43,977.60 is: 65,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,324 : 234,458.88 = 43,977.60 : x
  2. Step 2: Convert to fraction form
    156,324/234,458.88 = 43,977.60/x
  3. Step 3: Cross multiply
    156,324x = 234,458.88 × 43,977.60
  4. Step 4: Simplify right side
    156,324x = 10,310,938,841.09
  5. Step 5: Solve for x
    x = 10,310,938,841.09/156,324
  6. Step 6: Final answer
    x = 65,958.77

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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.