Home / 123,384.27-170,270.37-66,795.65

Finding the Fourth Proportional to 123,384.27, 170,270.37 and 66,795.65

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Solution

The fourth proportional to 123,384.27, 170,270.37 and 66,795.65 is: 92,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,384.27 : 170,270.37 = 66,795.65 : x
  2. Step 2: Convert to fraction form
    123,384.27/170,270.37 = 66,795.65/x
  3. Step 3: Cross multiply
    123,384.27x = 170,270.37 × 66,795.65
  4. Step 4: Simplify right side
    123,384.27x = 11,373,318,854.56
  5. Step 5: Solve for x
    x = 11,373,318,854.56/123,384.27
  6. Step 6: Final answer
    x = 92,178.03

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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.