Home / 127,827.40-191,724.30-39,089.80

Finding the Fourth Proportional to 127,827.40, 191,724.30 and 39,089.80

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Solution

The fourth proportional to 127,827.40, 191,724.30 and 39,089.80 is: 58,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.40 : 191,724.30 = 39,089.80 : x
  2. Step 2: Convert to fraction form
    127,827.40/191,724.30 = 39,089.80/x
  3. Step 3: Cross multiply
    127,827.40x = 191,724.30 × 39,089.80
  4. Step 4: Simplify right side
    127,827.40x = 7,494,464,542.14
  5. Step 5: Solve for x
    x = 7,494,464,542.14/127,827.40
  6. Step 6: Final answer
    x = 58,629.56

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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.