Home / 123,328.82-170,194.30-69,614.48

Finding the Fourth Proportional to 123,328.82, 170,194.30 and 69,614.48

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Solution

The fourth proportional to 123,328.82, 170,194.30 and 69,614.48 is: 96,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,328.82 : 170,194.30 = 69,614.48 : x
  2. Step 2: Convert to fraction form
    123,328.82/170,194.30 = 69,614.48/x
  3. Step 3: Cross multiply
    123,328.82x = 170,194.30 × 69,614.48
  4. Step 4: Simplify right side
    123,328.82x = 11,847,987,693.46
  5. Step 5: Solve for x
    x = 11,847,987,693.46/123,328.82
  6. Step 6: Final answer
    x = 96,068.28

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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.