Home / 252,212.94-348,056.19-139,039.74

Finding the Fourth Proportional to 252,212.94, 348,056.19 and 139,039.74

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Solution

The fourth proportional to 252,212.94, 348,056.19 and 139,039.74 is: 191,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,212.94 : 348,056.19 = 139,039.74 : x
  2. Step 2: Convert to fraction form
    252,212.94/348,056.19 = 139,039.74/x
  3. Step 3: Cross multiply
    252,212.94x = 348,056.19 × 139,039.74
  4. Step 4: Simplify right side
    252,212.94x = 48,393,642,162.99
  5. Step 5: Solve for x
    x = 48,393,642,162.99/252,212.94
  6. Step 6: Final answer
    x = 191,876.13

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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.