Home / 269,683.20-372,164.40-148,827.60

Finding the Fourth Proportional to 269,683.20, 372,164.40 and 148,827.60

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Solution

The fourth proportional to 269,683.20, 372,164.40 and 148,827.60 is: 205,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,683.20 : 372,164.40 = 148,827.60 : x
  2. Step 2: Convert to fraction form
    269,683.20/372,164.40 = 148,827.60/x
  3. Step 3: Cross multiply
    269,683.20x = 372,164.40 × 148,827.60
  4. Step 4: Simplify right side
    269,683.20x = 55,388,334,457.44
  5. Step 5: Solve for x
    x = 55,388,334,457.44/269,683.20
  6. Step 6: Final answer
    x = 205,382.96

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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.