Home / 185,865.06-278,937.80-86,095.26

Finding the Fourth Proportional to 185,865.06, 278,937.80 and 86,095.26

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Solution

The fourth proportional to 185,865.06, 278,937.80 and 86,095.26 is: 129,207.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,865.06 : 278,937.80 = 86,095.26 : x
  2. Step 2: Convert to fraction form
    185,865.06/278,937.80 = 86,095.26/x
  3. Step 3: Cross multiply
    185,865.06x = 278,937.80 × 86,095.26
  4. Step 4: Simplify right side
    185,865.06x = 24,015,222,414.83
  5. Step 5: Solve for x
    x = 24,015,222,414.83/185,865.06
  6. Step 6: Final answer
    x = 129,207.84

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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.