Home / 151,183.21-208,632.86-83,200.16

Finding the Fourth Proportional to 151,183.21, 208,632.86 and 83,200.16

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Solution

The fourth proportional to 151,183.21, 208,632.86 and 83,200.16 is: 114,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,183.21 : 208,632.86 = 83,200.16 : x
  2. Step 2: Convert to fraction form
    151,183.21/208,632.86 = 83,200.16/x
  3. Step 3: Cross multiply
    151,183.21x = 208,632.86 × 83,200.16
  4. Step 4: Simplify right side
    151,183.21x = 17,358,288,218.84
  5. Step 5: Solve for x
    x = 17,358,288,218.84/151,183.21
  6. Step 6: Final answer
    x = 114,816.24

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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.