Home / 127,867.42-191,794.20-39,120.91

Finding the Fourth Proportional to 127,867.42, 191,794.20 and 39,120.91

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Solution

The fourth proportional to 127,867.42, 191,794.20 and 39,120.91 is: 58,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,867.42 : 191,794.20 = 39,120.91 : x
  2. Step 2: Convert to fraction form
    127,867.42/191,794.20 = 39,120.91/x
  3. Step 3: Cross multiply
    127,867.42x = 191,794.20 × 39,120.91
  4. Step 4: Simplify right side
    127,867.42x = 7,503,163,636.72
  5. Step 5: Solve for x
    x = 7,503,163,636.72/127,867.42
  6. Step 6: Final answer
    x = 58,679.24

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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.