Home / 123,328.14-170,192.83-66,739.52

Finding the Fourth Proportional to 123,328.14, 170,192.83 and 66,739.52

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Solution

The fourth proportional to 123,328.14, 170,192.83 and 66,739.52 is: 92,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,328.14 : 170,192.83 = 66,739.52 : x
  2. Step 2: Convert to fraction form
    123,328.14/170,192.83 = 66,739.52/x
  3. Step 3: Cross multiply
    123,328.14x = 170,192.83 × 66,739.52
  4. Step 4: Simplify right side
    123,328.14x = 11,358,587,781.64
  5. Step 5: Solve for x
    x = 11,358,587,781.64/123,328.14
  6. Step 6: Final answer
    x = 92,100.54

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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.