Home / 123,330.04-170,195.99-66,741.42

Finding the Fourth Proportional to 123,330.04, 170,195.99 and 66,741.42

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Solution

The fourth proportional to 123,330.04, 170,195.99 and 66,741.42 is: 92,103.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,330.04 : 170,195.99 = 66,741.42 : x
  2. Step 2: Convert to fraction form
    123,330.04/170,195.99 = 66,741.42/x
  3. Step 3: Cross multiply
    123,330.04x = 170,195.99 × 66,741.42
  4. Step 4: Simplify right side
    123,330.04x = 11,359,120,866.22
  5. Step 5: Solve for x
    x = 11,359,120,866.22/123,330.04
  6. Step 6: Final answer
    x = 92,103.44

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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.