Home / 252,445.30-348,374.48-139,268.04

Finding the Fourth Proportional to 252,445.30, 348,374.48 and 139,268.04

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Solution

The fourth proportional to 252,445.30, 348,374.48 and 139,268.04 is: 192,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,445.30 : 348,374.48 = 139,268.04 : x
  2. Step 2: Convert to fraction form
    252,445.30/348,374.48 = 139,268.04/x
  3. Step 3: Cross multiply
    252,445.30x = 348,374.48 × 139,268.04
  4. Step 4: Simplify right side
    252,445.30x = 48,517,431,015.62
  5. Step 5: Solve for x
    x = 48,517,431,015.62/252,445.30
  6. Step 6: Final answer
    x = 192,189.88

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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.