Home / 236,947.50-355,477.41-70,739.82

Finding the Fourth Proportional to 236,947.50, 355,477.41 and 70,739.82

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Solution

The fourth proportional to 236,947.50, 355,477.41 and 70,739.82 is: 106,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,947.50 : 355,477.41 = 70,739.82 : x
  2. Step 2: Convert to fraction form
    236,947.50/355,477.41 = 70,739.82/x
  3. Step 3: Cross multiply
    236,947.50x = 355,477.41 × 70,739.82
  4. Step 4: Simplify right side
    236,947.50x = 25,146,407,997.47
  5. Step 5: Solve for x
    x = 25,146,407,997.47/236,947.50
  6. Step 6: Final answer
    x = 106,126.50

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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.