Home / 188,955.23-260,787.83-111,439.39

Finding the Fourth Proportional to 188,955.23, 260,787.83 and 111,439.39

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Solution

The fourth proportional to 188,955.23, 260,787.83 and 111,439.39 is: 153,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,955.23 : 260,787.83 = 111,439.39 : x
  2. Step 2: Convert to fraction form
    188,955.23/260,787.83 = 111,439.39/x
  3. Step 3: Cross multiply
    188,955.23x = 260,787.83 × 111,439.39
  4. Step 4: Simplify right side
    188,955.23x = 29,062,037,544.77
  5. Step 5: Solve for x
    x = 29,062,037,544.77/188,955.23
  6. Step 6: Final answer
    x = 153,803.83

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1.5x scale

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.