Home / 189,529.50-284,295.60-130,185.30

Finding the Fourth Proportional to 189,529.50, 284,295.60 and 130,185.30

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Solution

The fourth proportional to 189,529.50, 284,295.60 and 130,185.30 is: 195,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,529.50 : 284,295.60 = 130,185.30 : x
  2. Step 2: Convert to fraction form
    189,529.50/284,295.60 = 130,185.30/x
  3. Step 3: Cross multiply
    189,529.50x = 284,295.60 × 130,185.30
  4. Step 4: Simplify right side
    189,529.50x = 37,011,107,974.68
  5. Step 5: Solve for x
    x = 37,011,107,974.68/189,529.50
  6. Step 6: Final answer
    x = 195,278.88

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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.