Home / 127,826.27-191,739.93-39,079.63

Finding the Fourth Proportional to 127,826.27, 191,739.93 and 39,079.63

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Solution

The fourth proportional to 127,826.27, 191,739.93 and 39,079.63 is: 58,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,826.27 : 191,739.93 = 39,079.63 : x
  2. Step 2: Convert to fraction form
    127,826.27/191,739.93 = 39,079.63/x
  3. Step 3: Cross multiply
    127,826.27x = 191,739.93 × 39,079.63
  4. Step 4: Simplify right side
    127,826.27x = 7,493,125,613.75
  5. Step 5: Solve for x
    x = 7,493,125,613.75/127,826.27
  6. Step 6: Final answer
    x = 58,619.61

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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.