Home / 306,994.19-423,535.52-186,091.36

Finding the Fourth Proportional to 306,994.19, 423,535.52 and 186,091.36

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Solution

The fourth proportional to 306,994.19, 423,535.52 and 186,091.36 is: 256,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,994.19 : 423,535.52 = 186,091.36 : x
  2. Step 2: Convert to fraction form
    306,994.19/423,535.52 = 186,091.36/x
  3. Step 3: Cross multiply
    306,994.19x = 423,535.52 × 186,091.36
  4. Step 4: Simplify right side
    306,994.19x = 78,816,300,331.50
  5. Step 5: Solve for x
    x = 78,816,300,331.50/306,994.19
  6. Step 6: Final answer
    x = 256,735.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.