Home / 188,441.68-260,047.86-103,560.16

Finding the Fourth Proportional to 188,441.68, 260,047.86 and 103,560.16

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Solution

The fourth proportional to 188,441.68, 260,047.86 and 103,560.16 is: 142,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,441.68 : 260,047.86 = 103,560.16 : x
  2. Step 2: Convert to fraction form
    188,441.68/260,047.86 = 103,560.16/x
  3. Step 3: Cross multiply
    188,441.68x = 260,047.86 × 103,560.16
  4. Step 4: Simplify right side
    188,441.68x = 26,930,597,989.26
  5. Step 5: Solve for x
    x = 26,930,597,989.26/188,441.68
  6. Step 6: Final answer
    x = 142,912.11

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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.