Home / 123,281.22-170,128.26-66,692.46

Finding the Fourth Proportional to 123,281.22, 170,128.26 and 66,692.46

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Solution

The fourth proportional to 123,281.22, 170,128.26 and 66,692.46 is: 92,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,281.22 : 170,128.26 = 66,692.46 : x
  2. Step 2: Convert to fraction form
    123,281.22/170,128.26 = 66,692.46/x
  3. Step 3: Cross multiply
    123,281.22x = 170,128.26 × 66,692.46
  4. Step 4: Simplify right side
    123,281.22x = 11,346,272,174.92
  5. Step 5: Solve for x
    x = 11,346,272,174.92/123,281.22
  6. Step 6: Final answer
    x = 92,035.69

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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.