Home / 126,423.36-189,634.98-37,674.60

Finding the Fourth Proportional to 126,423.36, 189,634.98 and 37,674.60

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Solution

The fourth proportional to 126,423.36, 189,634.98 and 37,674.60 is: 56,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423.36 : 189,634.98 = 37,674.60 : x
  2. Step 2: Convert to fraction form
    126,423.36/189,634.98 = 37,674.60/x
  3. Step 3: Cross multiply
    126,423.36x = 189,634.98 × 37,674.60
  4. Step 4: Simplify right side
    126,423.36x = 7,144,422,017.51
  5. Step 5: Solve for x
    x = 7,144,422,017.51/126,423.36
  6. Step 6: Final answer
    x = 56,511.88

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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.