Home / 123,191.29-170,003.23-66,602.53

Finding the Fourth Proportional to 123,191.29, 170,003.23 and 66,602.53

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Solution

The fourth proportional to 123,191.29, 170,003.23 and 66,602.53 is: 91,911.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,191.29 : 170,003.23 = 66,602.53 : x
  2. Step 2: Convert to fraction form
    123,191.29/170,003.23 = 66,602.53/x
  3. Step 3: Cross multiply
    123,191.29x = 170,003.23 × 66,602.53
  4. Step 4: Simplify right side
    123,191.29x = 11,322,645,226.17
  5. Step 5: Solve for x
    x = 11,322,645,226.17/123,191.29
  6. Step 6: Final answer
    x = 91,911.09

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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.