Home / 185,189.49-255,548.25-108,711.72

Finding the Fourth Proportional to 185,189.49, 255,548.25 and 108,711.72

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Solution

The fourth proportional to 185,189.49, 255,548.25 and 108,711.72 is: 150,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,189.49 : 255,548.25 = 108,711.72 : x
  2. Step 2: Convert to fraction form
    185,189.49/255,548.25 = 108,711.72/x
  3. Step 3: Cross multiply
    185,189.49x = 255,548.25 × 108,711.72
  4. Step 4: Simplify right side
    185,189.49x = 27,781,089,800.49
  5. Step 5: Solve for x
    x = 27,781,089,800.49/185,189.49
  6. Step 6: Final answer
    x = 150,014.40

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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.