Home / 164,943.20-247,414.80-125,577.20

Finding the Fourth Proportional to 164,943.20, 247,414.80 and 125,577.20

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Solution

The fourth proportional to 164,943.20, 247,414.80 and 125,577.20 is: 188,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,943.20 : 247,414.80 = 125,577.20 : x
  2. Step 2: Convert to fraction form
    164,943.20/247,414.80 = 125,577.20/x
  3. Step 3: Cross multiply
    164,943.20x = 247,414.80 × 125,577.20
  4. Step 4: Simplify right side
    164,943.20x = 31,069,657,822.56
  5. Step 5: Solve for x
    x = 31,069,657,822.56/164,943.20
  6. Step 6: Final answer
    x = 188,365.80

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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.