Home / 127,835.40-191,736.30-39,097.80

Finding the Fourth Proportional to 127,835.40, 191,736.30 and 39,097.80

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Solution

The fourth proportional to 127,835.40, 191,736.30 and 39,097.80 is: 58,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835.40 : 191,736.30 = 39,097.80 : x
  2. Step 2: Convert to fraction form
    127,835.40/191,736.30 = 39,097.80/x
  3. Step 3: Cross multiply
    127,835.40x = 191,736.30 × 39,097.80
  4. Step 4: Simplify right side
    127,835.40x = 7,496,467,510.14
  5. Step 5: Solve for x
    x = 7,496,467,510.14/127,835.40
  6. Step 6: Final answer
    x = 58,641.56

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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.