Home / 127,425.77-191,161.68-52,504.23

Finding the Fourth Proportional to 127,425.77, 191,161.68 and 52,504.23

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Solution

The fourth proportional to 127,425.77, 191,161.68 and 52,504.23 is: 78,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,425.77 : 191,161.68 = 52,504.23 : x
  2. Step 2: Convert to fraction form
    127,425.77/191,161.68 = 52,504.23/x
  3. Step 3: Cross multiply
    127,425.77x = 191,161.68 × 52,504.23
  4. Step 4: Simplify right side
    127,425.77x = 10,036,796,813.91
  5. Step 5: Solve for x
    x = 10,036,796,813.91/127,425.77
  6. Step 6: Final answer
    x = 78,765.84

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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.