Home / 127,664.65-191,414.76-61,103.17

Finding the Fourth Proportional to 127,664.65, 191,414.76 and 61,103.17

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Solution

The fourth proportional to 127,664.65, 191,414.76 and 61,103.17 is: 91,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,664.65 : 191,414.76 = 61,103.17 : x
  2. Step 2: Convert to fraction form
    127,664.65/191,414.76 = 61,103.17/x
  3. Step 3: Cross multiply
    127,664.65x = 191,414.76 × 61,103.17
  4. Step 4: Simplify right side
    127,664.65x = 11,696,048,620.79
  5. Step 5: Solve for x
    x = 11,696,048,620.79/127,664.65
  6. Step 6: Final answer
    x = 91,615.41

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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.