Home / 171,267.96-236,429.10-99,621.84

Finding the Fourth Proportional to 171,267.96, 236,429.10 and 99,621.84

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Solution

The fourth proportional to 171,267.96, 236,429.10 and 99,621.84 is: 137,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,267.96 : 236,429.10 = 99,621.84 : x
  2. Step 2: Convert to fraction form
    171,267.96/236,429.10 = 99,621.84/x
  3. Step 3: Cross multiply
    171,267.96x = 236,429.10 × 99,621.84
  4. Step 4: Simplify right side
    171,267.96x = 23,553,501,971.54
  5. Step 5: Solve for x
    x = 23,553,501,971.54/171,267.96
  6. Step 6: Final answer
    x = 137,524.27

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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.