Home / 167,338-230,928.06-91,888.12

Finding the Fourth Proportional to 167,338, 230,928.06 and 91,888.12

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Solution

The fourth proportional to 167,338, 230,928.06 and 91,888.12 is: 126,806.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,338 : 230,928.06 = 91,888.12 : x
  2. Step 2: Convert to fraction form
    167,338/230,928.06 = 91,888.12/x
  3. Step 3: Cross multiply
    167,338x = 230,928.06 × 91,888.12
  4. Step 4: Simplify right side
    167,338x = 21,219,545,288.65
  5. Step 5: Solve for x
    x = 21,219,545,288.65/167,338
  6. Step 6: Final answer
    x = 126,806.50

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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.