Home / 223,280.20-308,104.41-126,464.70

Finding the Fourth Proportional to 223,280.20, 308,104.41 and 126,464.70

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Solution

The fourth proportional to 223,280.20, 308,104.41 and 126,464.70 is: 174,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,280.20 : 308,104.41 = 126,464.70 : x
  2. Step 2: Convert to fraction form
    223,280.20/308,104.41 = 126,464.70/x
  3. Step 3: Cross multiply
    223,280.20x = 308,104.41 × 126,464.70
  4. Step 4: Simplify right side
    223,280.20x = 38,964,331,779.33
  5. Step 5: Solve for x
    x = 38,964,331,779.33/223,280.20
  6. Step 6: Final answer
    x = 174,508.67

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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.