Home / 127,740.06-191,633.34-43,495.92

Finding the Fourth Proportional to 127,740.06, 191,633.34 and 43,495.92

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Solution

The fourth proportional to 127,740.06, 191,633.34 and 43,495.92 is: 65,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,740.06 : 191,633.34 = 43,495.92 : x
  2. Step 2: Convert to fraction form
    127,740.06/191,633.34 = 43,495.92/x
  3. Step 3: Cross multiply
    127,740.06x = 191,633.34 × 43,495.92
  4. Step 4: Simplify right side
    127,740.06x = 8,335,268,425.97
  5. Step 5: Solve for x
    x = 8,335,268,425.97/127,740.06
  6. Step 6: Final answer
    x = 65,251.80

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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.