Home / 189,554.46-261,585.09-108,997.80

Finding the Fourth Proportional to 189,554.46, 261,585.09 and 108,997.80

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Solution

The fourth proportional to 189,554.46, 261,585.09 and 108,997.80 is: 150,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,554.46 : 261,585.09 = 108,997.80 : x
  2. Step 2: Convert to fraction form
    189,554.46/261,585.09 = 108,997.80/x
  3. Step 3: Cross multiply
    189,554.46x = 261,585.09 × 108,997.80
  4. Step 4: Simplify right side
    189,554.46x = 28,512,199,322.80
  5. Step 5: Solve for x
    x = 28,512,199,322.80/189,554.46
  6. Step 6: Final answer
    x = 150,416.93

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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.