Home / 127,576.56-191,364.66-43,345.47

Finding the Fourth Proportional to 127,576.56, 191,364.66 and 43,345.47

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Solution

The fourth proportional to 127,576.56, 191,364.66 and 43,345.47 is: 65,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,576.56 : 191,364.66 = 43,345.47 : x
  2. Step 2: Convert to fraction form
    127,576.56/191,364.66 = 43,345.47/x
  3. Step 3: Cross multiply
    127,576.56x = 191,364.66 × 43,345.47
  4. Step 4: Simplify right side
    127,576.56x = 8,294,791,129.09
  5. Step 5: Solve for x
    x = 8,294,791,129.09/127,576.56
  6. Step 6: Final answer
    x = 65,018.14

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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.