Home / 123,325.54-170,195.38-74,927.84

Finding the Fourth Proportional to 123,325.54, 170,195.38 and 74,927.84

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Solution

The fourth proportional to 123,325.54, 170,195.38 and 74,927.84 is: 103,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325.54 : 170,195.38 = 74,927.84 : x
  2. Step 2: Convert to fraction form
    123,325.54/170,195.38 = 74,927.84/x
  3. Step 3: Cross multiply
    123,325.54x = 170,195.38 × 74,927.84
  4. Step 4: Simplify right side
    123,325.54x = 12,752,371,163.08
  5. Step 5: Solve for x
    x = 12,752,371,163.08/123,325.54
  6. Step 6: Final answer
    x = 103,404.14

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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.