Home / 167,685.76-231,409.34-91,206.54

Finding the Fourth Proportional to 167,685.76, 231,409.34 and 91,206.54

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Solution

The fourth proportional to 167,685.76, 231,409.34 and 91,206.54 is: 125,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,685.76 : 231,409.34 = 91,206.54 : x
  2. Step 2: Convert to fraction form
    167,685.76/231,409.34 = 91,206.54/x
  3. Step 3: Cross multiply
    167,685.76x = 231,409.34 × 91,206.54
  4. Step 4: Simplify right side
    167,685.76x = 21,106,045,111.08
  5. Step 5: Solve for x
    x = 21,106,045,111.08/167,685.76
  6. Step 6: Final answer
    x = 125,866.65

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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.