Home / 171,242.66-236,362.38-99,636.54

Finding the Fourth Proportional to 171,242.66, 236,362.38 and 99,636.54

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Solution

The fourth proportional to 171,242.66, 236,362.38 and 99,636.54 is: 137,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,242.66 : 236,362.38 = 99,636.54 : x
  2. Step 2: Convert to fraction form
    171,242.66/236,362.38 = 99,636.54/x
  3. Step 3: Cross multiply
    171,242.66x = 236,362.38 × 99,636.54
  4. Step 4: Simplify right side
    171,242.66x = 23,550,329,729.37
  5. Step 5: Solve for x
    x = 23,550,329,729.37/171,242.66
  6. Step 6: Final answer
    x = 137,526.07

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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.