Home / 321,921.46-444,257.18-176,740.75

Finding the Fourth Proportional to 321,921.46, 444,257.18 and 176,740.75

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Solution

The fourth proportional to 321,921.46, 444,257.18 and 176,740.75 is: 243,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,921.46 : 444,257.18 = 176,740.75 : x
  2. Step 2: Convert to fraction form
    321,921.46/444,257.18 = 176,740.75/x
  3. Step 3: Cross multiply
    321,921.46x = 444,257.18 × 176,740.75
  4. Step 4: Simplify right side
    321,921.46x = 78,518,347,186.09
  5. Step 5: Solve for x
    x = 78,518,347,186.09/321,921.46
  6. Step 6: Final answer
    x = 243,905.29

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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.