Home / 127,609.40-191,441.77-38,860.58

Finding the Fourth Proportional to 127,609.40, 191,441.77 and 38,860.58

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Solution

The fourth proportional to 127,609.40, 191,441.77 and 38,860.58 is: 58,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,609.40 : 191,441.77 = 38,860.58 : x
  2. Step 2: Convert to fraction form
    127,609.40/191,441.77 = 38,860.58/x
  3. Step 3: Cross multiply
    127,609.40x = 191,441.77 × 38,860.58
  4. Step 4: Simplify right side
    127,609.40x = 7,439,538,218.43
  5. Step 5: Solve for x
    x = 7,439,538,218.43/127,609.40
  6. Step 6: Final answer
    x = 58,299.30

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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.