Home / 123,223.67-170,048.72-66,635.04

Finding the Fourth Proportional to 123,223.67, 170,048.72 and 66,635.04

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Solution

The fourth proportional to 123,223.67, 170,048.72 and 66,635.04 is: 91,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,223.67 : 170,048.72 = 66,635.04 : x
  2. Step 2: Convert to fraction form
    123,223.67/170,048.72 = 66,635.04/x
  3. Step 3: Cross multiply
    123,223.67x = 170,048.72 × 66,635.04
  4. Step 4: Simplify right side
    123,223.67x = 11,331,203,425.74
  5. Step 5: Solve for x
    x = 11,331,203,425.74/123,223.67
  6. Step 6: Final answer
    x = 91,956.39

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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.