Home / 127,638.37-191,457.51-34,141.69

Finding the Fourth Proportional to 127,638.37, 191,457.51 and 34,141.69

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Solution

The fourth proportional to 127,638.37, 191,457.51 and 34,141.69 is: 51,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,638.37 : 191,457.51 = 34,141.69 : x
  2. Step 2: Convert to fraction form
    127,638.37/191,457.51 = 34,141.69/x
  3. Step 3: Cross multiply
    127,638.37x = 191,457.51 × 34,141.69
  4. Step 4: Simplify right side
    127,638.37x = 6,536,682,954.59
  5. Step 5: Solve for x
    x = 6,536,682,954.59/127,638.37
  6. Step 6: Final answer
    x = 51,212.52

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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.