Home / 123,202.06-170,018.13-66,612.22

Finding the Fourth Proportional to 123,202.06, 170,018.13 and 66,612.22

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Solution

The fourth proportional to 123,202.06, 170,018.13 and 66,612.22 is: 91,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,202.06 : 170,018.13 = 66,612.22 : x
  2. Step 2: Convert to fraction form
    123,202.06/170,018.13 = 66,612.22/x
  3. Step 3: Cross multiply
    123,202.06x = 170,018.13 × 66,612.22
  4. Step 4: Simplify right side
    123,202.06x = 11,325,285,079.55
  5. Step 5: Solve for x
    x = 11,325,285,079.55/123,202.06
  6. Step 6: Final answer
    x = 91,924.48

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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.