Home / 123,436.22-170,338.49-73,135.22

Finding the Fourth Proportional to 123,436.22, 170,338.49 and 73,135.22

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Solution

The fourth proportional to 123,436.22, 170,338.49 and 73,135.22 is: 100,924.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,436.22 : 170,338.49 = 73,135.22 : x
  2. Step 2: Convert to fraction form
    123,436.22/170,338.49 = 73,135.22/x
  3. Step 3: Cross multiply
    123,436.22x = 170,338.49 × 73,135.22
  4. Step 4: Simplify right side
    123,436.22x = 12,457,742,940.62
  5. Step 5: Solve for x
    x = 12,457,742,940.62/123,436.22
  6. Step 6: Final answer
    x = 100,924.53

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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.