Home / 123,584.06-170,381.07-98,174.77

Finding the Fourth Proportional to 123,584.06, 170,381.07 and 98,174.77

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Solution

The fourth proportional to 123,584.06, 170,381.07 and 98,174.77 is: 135,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,584.06 : 170,381.07 = 98,174.77 : x
  2. Step 2: Convert to fraction form
    123,584.06/170,381.07 = 98,174.77/x
  3. Step 3: Cross multiply
    123,584.06x = 170,381.07 × 98,174.77
  4. Step 4: Simplify right side
    123,584.06x = 16,727,121,933.65
  5. Step 5: Solve for x
    x = 16,727,121,933.65/123,584.06
  6. Step 6: Final answer
    x = 135,350.15

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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.