Home / 152,056.56-209,786.60-98,409.36

Finding the Fourth Proportional to 152,056.56, 209,786.60 and 98,409.36

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Solution

The fourth proportional to 152,056.56, 209,786.60 and 98,409.36 is: 135,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,056.56 : 209,786.60 = 98,409.36 : x
  2. Step 2: Convert to fraction form
    152,056.56/209,786.60 = 98,409.36/x
  3. Step 3: Cross multiply
    152,056.56x = 209,786.60 × 98,409.36
  4. Step 4: Simplify right side
    152,056.56x = 20,644,965,042.58
  5. Step 5: Solve for x
    x = 20,644,965,042.58/152,056.56
  6. Step 6: Final answer
    x = 135,771.62

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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.