Home / 123,174.27-169,980.93-66,585.65

Finding the Fourth Proportional to 123,174.27, 169,980.93 and 66,585.65

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Solution

The fourth proportional to 123,174.27, 169,980.93 and 66,585.65 is: 91,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,174.27 : 169,980.93 = 66,585.65 : x
  2. Step 2: Convert to fraction form
    123,174.27/169,980.93 = 66,585.65/x
  3. Step 3: Cross multiply
    123,174.27x = 169,980.93 × 66,585.65
  4. Step 4: Simplify right side
    123,174.27x = 11,318,289,861.75
  5. Step 5: Solve for x
    x = 11,318,289,861.75/123,174.27
  6. Step 6: Final answer
    x = 91,888.43

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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.