Home / 228,861.79-343,349.76-161,525.35

Finding the Fourth Proportional to 228,861.79, 343,349.76 and 161,525.35

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Solution

The fourth proportional to 228,861.79, 343,349.76 and 161,525.35 is: 242,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,861.79 : 343,349.76 = 161,525.35 : x
  2. Step 2: Convert to fraction form
    228,861.79/343,349.76 = 161,525.35/x
  3. Step 3: Cross multiply
    228,861.79x = 343,349.76 × 161,525.35
  4. Step 4: Simplify right side
    228,861.79x = 55,459,691,219.87
  5. Step 5: Solve for x
    x = 55,459,691,219.87/228,861.79
  6. Step 6: Final answer
    x = 242,328.31

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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.