Home / 320,056.20-441,674.23-176,806.89

Finding the Fourth Proportional to 320,056.20, 441,674.23 and 176,806.89

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Solution

The fourth proportional to 320,056.20, 441,674.23 and 176,806.89 is: 243,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,056.20 : 441,674.23 = 176,806.89 : x
  2. Step 2: Convert to fraction form
    320,056.20/441,674.23 = 176,806.89/x
  3. Step 3: Cross multiply
    320,056.20x = 441,674.23 × 176,806.89
  4. Step 4: Simplify right side
    320,056.20x = 78,091,046,999.44
  5. Step 5: Solve for x
    x = 78,091,046,999.44/320,056.20
  6. Step 6: Final answer
    x = 243,991.67

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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.