Home / 127,852.21-191,747.55-39,106.48

Finding the Fourth Proportional to 127,852.21, 191,747.55 and 39,106.48

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Solution

The fourth proportional to 127,852.21, 191,747.55 and 39,106.48 is: 58,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.21 : 191,747.55 = 39,106.48 : x
  2. Step 2: Convert to fraction form
    127,852.21/191,747.55 = 39,106.48/x
  3. Step 3: Cross multiply
    127,852.21x = 191,747.55 × 39,106.48
  4. Step 4: Simplify right side
    127,852.21x = 7,498,571,729.12
  5. Step 5: Solve for x
    x = 7,498,571,729.12/127,852.21
  6. Step 6: Final answer
    x = 58,650.31

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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.