Home / 164,970.76-227,664.06-89,519.32

Finding the Fourth Proportional to 164,970.76, 227,664.06 and 89,519.32

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Solution

The fourth proportional to 164,970.76, 227,664.06 and 89,519.32 is: 123,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,970.76 : 227,664.06 = 89,519.32 : x
  2. Step 2: Convert to fraction form
    164,970.76/227,664.06 = 89,519.32/x
  3. Step 3: Cross multiply
    164,970.76x = 227,664.06 × 89,519.32
  4. Step 4: Simplify right side
    164,970.76x = 20,380,331,839.64
  5. Step 5: Solve for x
    x = 20,380,331,839.64/164,970.76
  6. Step 6: Final answer
    x = 123,539.06

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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.