Home / 123,256.59-170,093.97-66,667.83

Finding the Fourth Proportional to 123,256.59, 170,093.97 and 66,667.83

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Solution

The fourth proportional to 123,256.59, 170,093.97 and 66,667.83 is: 92,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,256.59 : 170,093.97 = 66,667.83 : x
  2. Step 2: Convert to fraction form
    123,256.59/170,093.97 = 66,667.83/x
  3. Step 3: Cross multiply
    123,256.59x = 170,093.97 × 66,667.83
  4. Step 4: Simplify right side
    123,256.59x = 11,339,795,875.99
  5. Step 5: Solve for x
    x = 11,339,795,875.99/123,256.59
  6. Step 6: Final answer
    x = 92,001.54

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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.