Home / 168,144.54-232,134.51-111,633.18

Finding the Fourth Proportional to 168,144.54, 232,134.51 and 111,633.18

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Solution

The fourth proportional to 168,144.54, 232,134.51 and 111,633.18 is: 154,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,144.54 : 232,134.51 = 111,633.18 : x
  2. Step 2: Convert to fraction form
    168,144.54/232,134.51 = 111,633.18/x
  3. Step 3: Cross multiply
    168,144.54x = 232,134.51 × 111,633.18
  4. Step 4: Simplify right side
    168,144.54x = 25,913,913,539.04
  5. Step 5: Solve for x
    x = 25,913,913,539.04/168,144.54
  6. Step 6: Final answer
    x = 154,116.89

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1.5x scale

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.