Home / 252,188.96-348,020.68-139,013.60

Finding the Fourth Proportional to 252,188.96, 348,020.68 and 139,013.60

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Solution

The fourth proportional to 252,188.96, 348,020.68 and 139,013.60 is: 191,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,188.96 : 348,020.68 = 139,013.60 : x
  2. Step 2: Convert to fraction form
    252,188.96/348,020.68 = 139,013.60/x
  3. Step 3: Cross multiply
    252,188.96x = 348,020.68 × 139,013.60
  4. Step 4: Simplify right side
    252,188.96x = 48,379,607,601.25
  5. Step 5: Solve for x
    x = 48,379,607,601.25/252,188.96
  6. Step 6: Final answer
    x = 191,838.72

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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.