Home / 252,445.48-348,374.74-139,268.23

Finding the Fourth Proportional to 252,445.48, 348,374.74 and 139,268.23

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Solution

The fourth proportional to 252,445.48, 348,374.74 and 139,268.23 is: 192,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,445.48 : 348,374.74 = 139,268.23 : x
  2. Step 2: Convert to fraction form
    252,445.48/348,374.74 = 139,268.23/x
  3. Step 3: Cross multiply
    252,445.48x = 348,374.74 × 139,268.23
  4. Step 4: Simplify right side
    252,445.48x = 48,517,533,416.51
  5. Step 5: Solve for x
    x = 48,517,533,416.51/252,445.48
  6. Step 6: Final answer
    x = 192,190.15

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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.