Home / 195,022.10-269,208.02-122,405.60

Finding the Fourth Proportional to 195,022.10, 269,208.02 and 122,405.60

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Solution

The fourth proportional to 195,022.10, 269,208.02 and 122,405.60 is: 168,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,022.10 : 269,208.02 = 122,405.60 : x
  2. Step 2: Convert to fraction form
    195,022.10/269,208.02 = 122,405.60/x
  3. Step 3: Cross multiply
    195,022.10x = 269,208.02 × 122,405.60
  4. Step 4: Simplify right side
    195,022.10x = 32,952,569,212.91
  5. Step 5: Solve for x
    x = 32,952,569,212.91/195,022.10
  6. Step 6: Final answer
    x = 168,968.38

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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.