Home / 189,529.96-284,467.02-100,857.64

Finding the Fourth Proportional to 189,529.96, 284,467.02 and 100,857.64

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Solution

The fourth proportional to 189,529.96, 284,467.02 and 100,857.64 is: 151,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,529.96 : 284,467.02 = 100,857.64 : x
  2. Step 2: Convert to fraction form
    189,529.96/284,467.02 = 100,857.64/x
  3. Step 3: Cross multiply
    189,529.96x = 284,467.02 × 100,857.64
  4. Step 4: Simplify right side
    189,529.96x = 28,690,672,295.03
  5. Step 5: Solve for x
    x = 28,690,672,295.03/189,529.96
  6. Step 6: Final answer
    x = 151,378.03

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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.