Home / 171,555.54-236,816.12-111,178.02

Finding the Fourth Proportional to 171,555.54, 236,816.12 and 111,178.02

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Solution

The fourth proportional to 171,555.54, 236,816.12 and 111,178.02 is: 153,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,555.54 : 236,816.12 = 111,178.02 : x
  2. Step 2: Convert to fraction form
    171,555.54/236,816.12 = 111,178.02/x
  3. Step 3: Cross multiply
    171,555.54x = 236,816.12 × 111,178.02
  4. Step 4: Simplify right side
    171,555.54x = 26,328,747,325.68
  5. Step 5: Solve for x
    x = 26,328,747,325.68/171,555.54
  6. Step 6: Final answer
    x = 153,470.69

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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.