Home / 127,852.57-191,786.55-39,106.85

Finding the Fourth Proportional to 127,852.57, 191,786.55 and 39,106.85

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Solution

The fourth proportional to 127,852.57, 191,786.55 and 39,106.85 is: 58,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.57 : 191,786.55 = 39,106.85 : x
  2. Step 2: Convert to fraction form
    127,852.57/191,786.55 = 39,106.85/x
  3. Step 3: Cross multiply
    127,852.57x = 191,786.55 × 39,106.85
  4. Step 4: Simplify right side
    127,852.57x = 7,500,166,688.40
  5. Step 5: Solve for x
    x = 7,500,166,688.40/127,852.57
  6. Step 6: Final answer
    x = 58,662.62

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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.