Home / 164,932.04-247,201.20-90,071

Finding the Fourth Proportional to 164,932.04, 247,201.20 and 90,071

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Solution

The fourth proportional to 164,932.04, 247,201.20 and 90,071 is: 134,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,932.04 : 247,201.20 = 90,071 : x
  2. Step 2: Convert to fraction form
    164,932.04/247,201.20 = 90,071/x
  3. Step 3: Cross multiply
    164,932.04x = 247,201.20 × 90,071
  4. Step 4: Simplify right side
    164,932.04x = 22,265,659,285.20
  5. Step 5: Solve for x
    x = 22,265,659,285.20/164,932.04
  6. Step 6: Final answer
    x = 134,998.99

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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.