Home / 123,409.50-170,140.32-92,652.36

Finding the Fourth Proportional to 123,409.50, 170,140.32 and 92,652.36

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Solution

The fourth proportional to 123,409.50, 170,140.32 and 92,652.36 is: 127,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,409.50 : 170,140.32 = 92,652.36 : x
  2. Step 2: Convert to fraction form
    123,409.50/170,140.32 = 92,652.36/x
  3. Step 3: Cross multiply
    123,409.50x = 170,140.32 × 92,652.36
  4. Step 4: Simplify right side
    123,409.50x = 15,763,902,179.16
  5. Step 5: Solve for x
    x = 15,763,902,179.16/123,409.50
  6. Step 6: Final answer
    x = 127,736.54

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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.