Home / 188,905.32-260,700.26-108,332.20

Finding the Fourth Proportional to 188,905.32, 260,700.26 and 108,332.20

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Solution

The fourth proportional to 188,905.32, 260,700.26 and 108,332.20 is: 149,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,905.32 : 260,700.26 = 108,332.20 : x
  2. Step 2: Convert to fraction form
    188,905.32/260,700.26 = 108,332.20/x
  3. Step 3: Cross multiply
    188,905.32x = 260,700.26 × 108,332.20
  4. Step 4: Simplify right side
    188,905.32x = 28,242,232,706.37
  5. Step 5: Solve for x
    x = 28,242,232,706.37/188,905.32
  6. Step 6: Final answer
    x = 149,504.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.