Home / 168,780.96-232,919.28-93,330.72

Finding the Fourth Proportional to 168,780.96, 232,919.28 and 93,330.72

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Solution

The fourth proportional to 168,780.96, 232,919.28 and 93,330.72 is: 128,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,780.96 : 232,919.28 = 93,330.72 : x
  2. Step 2: Convert to fraction form
    168,780.96/232,919.28 = 93,330.72/x
  3. Step 3: Cross multiply
    168,780.96x = 232,919.28 × 93,330.72
  4. Step 4: Simplify right side
    168,780.96x = 21,738,524,104.28
  5. Step 5: Solve for x
    x = 21,738,524,104.28/168,780.96
  6. Step 6: Final answer
    x = 128,797.25

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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.