Home / 164,970.12-227,659.38-89,518.62

Finding the Fourth Proportional to 164,970.12, 227,659.38 and 89,518.62

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Solution

The fourth proportional to 164,970.12, 227,659.38 and 89,518.62 is: 123,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,970.12 : 227,659.38 = 89,518.62 : x
  2. Step 2: Convert to fraction form
    164,970.12/227,659.38 = 89,518.62/x
  3. Step 3: Cross multiply
    164,970.12x = 227,659.38 × 89,518.62
  4. Step 4: Simplify right side
    164,970.12x = 20,379,753,527.66
  5. Step 5: Solve for x
    x = 20,379,753,527.66/164,970.12
  6. Step 6: Final answer
    x = 123,536.03

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1.5x scale

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.