Home / 203,352.60-305,077.20-70,233.96

Finding the Fourth Proportional to 203,352.60, 305,077.20 and 70,233.96

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Solution

The fourth proportional to 203,352.60, 305,077.20 and 70,233.96 is: 105,367.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,352.60 : 305,077.20 = 70,233.96 : x
  2. Step 2: Convert to fraction form
    203,352.60/305,077.20 = 70,233.96/x
  3. Step 3: Cross multiply
    203,352.60x = 305,077.20 × 70,233.96
  4. Step 4: Simplify right side
    203,352.60x = 21,426,779,861.71
  5. Step 5: Solve for x
    x = 21,426,779,861.71/203,352.60
  6. Step 6: Final answer
    x = 105,367.62

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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.