Home / 252,720.56-348,756.60-139,551.92

Finding the Fourth Proportional to 252,720.56, 348,756.60 and 139,551.92

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Solution

The fourth proportional to 252,720.56, 348,756.60 and 139,551.92 is: 192,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,720.56 : 348,756.60 = 139,551.92 : x
  2. Step 2: Convert to fraction form
    252,720.56/348,756.60 = 139,551.92/x
  3. Step 3: Cross multiply
    252,720.56x = 348,756.60 × 139,551.92
  4. Step 4: Simplify right side
    252,720.56x = 48,669,653,142.67
  5. Step 5: Solve for x
    x = 48,669,653,142.67/252,720.56
  6. Step 6: Final answer
    x = 192,582.88

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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.