Home / 127,945.86-176,659.11-82,650.30

Finding the Fourth Proportional to 127,945.86, 176,659.11 and 82,650.30

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Solution

The fourth proportional to 127,945.86, 176,659.11 and 82,650.30 is: 114,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.86 : 176,659.11 = 82,650.30 : x
  2. Step 2: Convert to fraction form
    127,945.86/176,659.11 = 82,650.30/x
  3. Step 3: Cross multiply
    127,945.86x = 176,659.11 × 82,650.30
  4. Step 4: Simplify right side
    127,945.86x = 14,600,928,439.23
  5. Step 5: Solve for x
    x = 14,600,928,439.23/127,945.86
  6. Step 6: Final answer
    x = 114,118.02

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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.