Home / 185,742.52-278,648.79-84,548.41

Finding the Fourth Proportional to 185,742.52, 278,648.79 and 84,548.41

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Solution

The fourth proportional to 185,742.52, 278,648.79 and 84,548.41 is: 126,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,742.52 : 278,648.79 = 84,548.41 : x
  2. Step 2: Convert to fraction form
    185,742.52/278,648.79 = 84,548.41/x
  3. Step 3: Cross multiply
    185,742.52x = 278,648.79 × 84,548.41
  4. Step 4: Simplify right side
    185,742.52x = 23,559,312,142.92
  5. Step 5: Solve for x
    x = 23,559,312,142.92/185,742.52
  6. Step 6: Final answer
    x = 126,838.55

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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.