Home / 185,458.70-278,094.90-90,696.26

Finding the Fourth Proportional to 185,458.70, 278,094.90 and 90,696.26

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Solution

The fourth proportional to 185,458.70, 278,094.90 and 90,696.26 is: 135,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,458.70 : 278,094.90 = 90,696.26 : x
  2. Step 2: Convert to fraction form
    185,458.70/278,094.90 = 90,696.26/x
  3. Step 3: Cross multiply
    185,458.70x = 278,094.90 × 90,696.26
  4. Step 4: Simplify right side
    185,458.70x = 25,222,167,355.07
  5. Step 5: Solve for x
    x = 25,222,167,355.07/185,458.70
  6. Step 6: Final answer
    x = 135,998.84

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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.