Home / 123,322.50-170,186.27-66,735.09

Finding the Fourth Proportional to 123,322.50, 170,186.27 and 66,735.09

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Solution

The fourth proportional to 123,322.50, 170,186.27 and 66,735.09 is: 92,095.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,322.50 : 170,186.27 = 66,735.09 : x
  2. Step 2: Convert to fraction form
    123,322.50/170,186.27 = 66,735.09/x
  3. Step 3: Cross multiply
    123,322.50x = 170,186.27 × 66,735.09
  4. Step 4: Simplify right side
    123,322.50x = 11,357,395,711.54
  5. Step 5: Solve for x
    x = 11,357,395,711.54/123,322.50
  6. Step 6: Final answer
    x = 92,095.08

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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.