Home / 185,786.01-278,607.70-79,102.33

Finding the Fourth Proportional to 185,786.01, 278,607.70 and 79,102.33

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Solution

The fourth proportional to 185,786.01, 278,607.70 and 79,102.33 is: 118,623.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786.01 : 278,607.70 = 79,102.33 : x
  2. Step 2: Convert to fraction form
    185,786.01/278,607.70 = 79,102.33/x
  3. Step 3: Cross multiply
    185,786.01x = 278,607.70 × 79,102.33
  4. Step 4: Simplify right side
    185,786.01x = 22,038,517,628.30
  5. Step 5: Solve for x
    x = 22,038,517,628.30/185,786.01
  6. Step 6: Final answer
    x = 118,623.13

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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.