Home / 127,847.30-191,778.50-39,106.94

Finding the Fourth Proportional to 127,847.30, 191,778.50 and 39,106.94

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Solution

The fourth proportional to 127,847.30, 191,778.50 and 39,106.94 is: 58,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.30 : 191,778.50 = 39,106.94 : x
  2. Step 2: Convert to fraction form
    127,847.30/191,778.50 = 39,106.94/x
  3. Step 3: Cross multiply
    127,847.30x = 191,778.50 × 39,106.94
  4. Step 4: Simplify right side
    127,847.30x = 7,499,869,431.66
  5. Step 5: Solve for x
    x = 7,499,869,431.66/127,847.30
  6. Step 6: Final answer
    x = 58,662.72

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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.