Home / 273,769.08-410,719.59-86,780.58

Finding the Fourth Proportional to 273,769.08, 410,719.59 and 86,780.58

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Solution

The fourth proportional to 273,769.08, 410,719.59 and 86,780.58 is: 130,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,769.08 : 410,719.59 = 86,780.58 : x
  2. Step 2: Convert to fraction form
    273,769.08/410,719.59 = 86,780.58/x
  3. Step 3: Cross multiply
    273,769.08x = 410,719.59 × 86,780.58
  4. Step 4: Simplify right side
    273,769.08x = 35,642,484,237.56
  5. Step 5: Solve for x
    x = 35,642,484,237.56/273,769.08
  6. Step 6: Final answer
    x = 130,191.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.