Home / 252,759.12-348,807.60-139,589.16

Finding the Fourth Proportional to 252,759.12, 348,807.60 and 139,589.16

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Solution

The fourth proportional to 252,759.12, 348,807.60 and 139,589.16 is: 192,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,759.12 : 348,807.60 = 139,589.16 : x
  2. Step 2: Convert to fraction form
    252,759.12/348,807.60 = 139,589.16/x
  3. Step 3: Cross multiply
    252,759.12x = 348,807.60 × 139,589.16
  4. Step 4: Simplify right side
    252,759.12x = 48,689,759,885.62
  5. Step 5: Solve for x
    x = 48,689,759,885.62/252,759.12
  6. Step 6: Final answer
    x = 192,633.05

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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.