Home / 179,571.76-247,717.98-137,056.48

Finding the Fourth Proportional to 179,571.76, 247,717.98 and 137,056.48

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Solution

The fourth proportional to 179,571.76, 247,717.98 and 137,056.48 is: 189,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,571.76 : 247,717.98 = 137,056.48 : x
  2. Step 2: Convert to fraction form
    179,571.76/247,717.98 = 137,056.48/x
  3. Step 3: Cross multiply
    179,571.76x = 247,717.98 × 137,056.48
  4. Step 4: Simplify right side
    179,571.76x = 33,951,354,371.51
  5. Step 5: Solve for x
    x = 33,951,354,371.51/179,571.76
  6. Step 6: Final answer
    x = 189,068.45

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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.