Home / 127,580.31-191,370.27-43,349.22

Finding the Fourth Proportional to 127,580.31, 191,370.27 and 43,349.22

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Solution

The fourth proportional to 127,580.31, 191,370.27 and 43,349.22 is: 65,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,580.31 : 191,370.27 = 43,349.22 : x
  2. Step 2: Convert to fraction form
    127,580.31/191,370.27 = 43,349.22/x
  3. Step 3: Cross multiply
    127,580.31x = 191,370.27 × 43,349.22
  4. Step 4: Simplify right side
    127,580.31x = 8,295,751,935.69
  5. Step 5: Solve for x
    x = 8,295,751,935.69/127,580.31
  6. Step 6: Final answer
    x = 65,023.76

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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.