Home / 179,862.41-247,979.53-147,477.80

Finding the Fourth Proportional to 179,862.41, 247,979.53 and 147,477.80

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Solution

The fourth proportional to 179,862.41, 247,979.53 and 147,477.80 is: 203,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,862.41 : 247,979.53 = 147,477.80 : x
  2. Step 2: Convert to fraction form
    179,862.41/247,979.53 = 147,477.80/x
  3. Step 3: Cross multiply
    179,862.41x = 247,979.53 × 147,477.80
  4. Step 4: Simplify right side
    179,862.41x = 36,571,475,529.43
  5. Step 5: Solve for x
    x = 36,571,475,529.43/179,862.41
  6. Step 6: Final answer
    x = 203,330.29

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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.