Home / 164,555.12-227,086.80-89,104.16

Finding the Fourth Proportional to 164,555.12, 227,086.80 and 89,104.16

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Solution

The fourth proportional to 164,555.12, 227,086.80 and 89,104.16 is: 122,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,555.12 : 227,086.80 = 89,104.16 : x
  2. Step 2: Convert to fraction form
    164,555.12/227,086.80 = 89,104.16/x
  3. Step 3: Cross multiply
    164,555.12x = 227,086.80 × 89,104.16
  4. Step 4: Simplify right side
    164,555.12x = 20,234,378,561.09
  5. Step 5: Solve for x
    x = 20,234,378,561.09/164,555.12
  6. Step 6: Final answer
    x = 122,964.14

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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.