Home / 127,604.40-191,434.27-38,855.58

Finding the Fourth Proportional to 127,604.40, 191,434.27 and 38,855.58

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Solution

The fourth proportional to 127,604.40, 191,434.27 and 38,855.58 is: 58,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,604.40 : 191,434.27 = 38,855.58 : x
  2. Step 2: Convert to fraction form
    127,604.40/191,434.27 = 38,855.58/x
  3. Step 3: Cross multiply
    127,604.40x = 191,434.27 × 38,855.58
  4. Step 4: Simplify right side
    127,604.40x = 7,438,289,592.73
  5. Step 5: Solve for x
    x = 7,438,289,592.73/127,604.40
  6. Step 6: Final answer
    x = 58,291.80

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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.