Home / 126,590.40-189,861.30-37,846.80

Finding the Fourth Proportional to 126,590.40, 189,861.30 and 37,846.80

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Solution

The fourth proportional to 126,590.40, 189,861.30 and 37,846.80 is: 56,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,590.40 : 189,861.30 = 37,846.80 : x
  2. Step 2: Convert to fraction form
    126,590.40/189,861.30 = 37,846.80/x
  3. Step 3: Cross multiply
    126,590.40x = 189,861.30 × 37,846.80
  4. Step 4: Simplify right side
    126,590.40x = 7,185,642,648.84
  5. Step 5: Solve for x
    x = 7,185,642,648.84/126,590.40
  6. Step 6: Final answer
    x = 56,762.94

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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.