Home / 164,947.60-247,939.80-161,837.20

Finding the Fourth Proportional to 164,947.60, 247,939.80 and 161,837.20

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Solution

The fourth proportional to 164,947.60, 247,939.80 and 161,837.20 is: 243,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,947.60 : 247,939.80 = 161,837.20 : x
  2. Step 2: Convert to fraction form
    164,947.60/247,939.80 = 161,837.20/x
  3. Step 3: Cross multiply
    164,947.60x = 247,939.80 × 161,837.20
  4. Step 4: Simplify right side
    164,947.60x = 40,125,883,000.56
  5. Step 5: Solve for x
    x = 40,125,883,000.56/164,947.60
  6. Step 6: Final answer
    x = 243,264.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.