Home / 185,698.44-278,548.92-45,457.56

Finding the Fourth Proportional to 185,698.44, 278,548.92 and 45,457.56

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Solution

The fourth proportional to 185,698.44, 278,548.92 and 45,457.56 is: 68,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,698.44 : 278,548.92 = 45,457.56 : x
  2. Step 2: Convert to fraction form
    185,698.44/278,548.92 = 45,457.56/x
  3. Step 3: Cross multiply
    185,698.44x = 278,548.92 × 45,457.56
  4. Step 4: Simplify right side
    185,698.44x = 12,662,154,243.84
  5. Step 5: Solve for x
    x = 12,662,154,243.84/185,698.44
  6. Step 6: Final answer
    x = 68,186.65

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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.