Home / 127,933.26-191,765.83-71,690.91

Finding the Fourth Proportional to 127,933.26, 191,765.83 and 71,690.91

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Solution

The fourth proportional to 127,933.26, 191,765.83 and 71,690.91 is: 107,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,933.26 : 191,765.83 = 71,690.91 : x
  2. Step 2: Convert to fraction form
    127,933.26/191,765.83 = 71,690.91/x
  3. Step 3: Cross multiply
    127,933.26x = 191,765.83 × 71,690.91
  4. Step 4: Simplify right side
    127,933.26x = 13,747,866,859.61
  5. Step 5: Solve for x
    x = 13,747,866,859.61/127,933.26
  6. Step 6: Final answer
    x = 107,461.24

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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.