Home / 320,719.74-480,937.41-170,932.14

Finding the Fourth Proportional to 320,719.74, 480,937.41 and 170,932.14

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Solution

The fourth proportional to 320,719.74, 480,937.41 and 170,932.14 is: 256,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,719.74 : 480,937.41 = 170,932.14 : x
  2. Step 2: Convert to fraction form
    320,719.74/480,937.41 = 170,932.14/x
  3. Step 3: Cross multiply
    320,719.74x = 480,937.41 × 170,932.14
  4. Step 4: Simplify right side
    320,719.74x = 82,207,660,697.36
  5. Step 5: Solve for x
    x = 82,207,660,697.36/320,719.74
  6. Step 6: Final answer
    x = 256,322.42

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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.