Home / 127,852.04-191,778-39,105.56

Finding the Fourth Proportional to 127,852.04, 191,778 and 39,105.56

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Solution

The fourth proportional to 127,852.04, 191,778 and 39,105.56 is: 58,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.04 : 191,778 = 39,105.56 : x
  2. Step 2: Convert to fraction form
    127,852.04/191,778 = 39,105.56/x
  3. Step 3: Cross multiply
    127,852.04x = 191,778 × 39,105.56
  4. Step 4: Simplify right side
    127,852.04x = 7,499,586,085.68
  5. Step 5: Solve for x
    x = 7,499,586,085.68/127,852.04
  6. Step 6: Final answer
    x = 58,658.32

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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.