Home / 156,135.63-234,209.93-45,327.63

Finding the Fourth Proportional to 156,135.63, 234,209.93 and 45,327.63

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Solution

The fourth proportional to 156,135.63, 234,209.93 and 45,327.63 is: 67,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135.63 : 234,209.93 = 45,327.63 : x
  2. Step 2: Convert to fraction form
    156,135.63/234,209.93 = 45,327.63/x
  3. Step 3: Cross multiply
    156,135.63x = 234,209.93 × 45,327.63
  4. Step 4: Simplify right side
    156,135.63x = 10,616,181,049.37
  5. Step 5: Solve for x
    x = 10,616,181,049.37/156,135.63
  6. Step 6: Final answer
    x = 67,993.33

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1.5x scale

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.