Home / 236,783.36-354,953.60-86,983.43

Finding the Fourth Proportional to 236,783.36, 354,953.60 and 86,983.43

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Solution

The fourth proportional to 236,783.36, 354,953.60 and 86,983.43 is: 130,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,783.36 : 354,953.60 = 86,983.43 : x
  2. Step 2: Convert to fraction form
    236,783.36/354,953.60 = 86,983.43/x
  3. Step 3: Cross multiply
    236,783.36x = 354,953.60 × 86,983.43
  4. Step 4: Simplify right side
    236,783.36x = 30,875,079,735.35
  5. Step 5: Solve for x
    x = 30,875,079,735.35/236,783.36
  6. Step 6: Final answer
    x = 130,393.79

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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.