Home / 252,505.20-348,456.98-161,861.10

Finding the Fourth Proportional to 252,505.20, 348,456.98 and 161,861.10

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Solution

The fourth proportional to 252,505.20, 348,456.98 and 161,861.10 is: 223,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,505.20 : 348,456.98 = 161,861.10 : x
  2. Step 2: Convert to fraction form
    252,505.20/348,456.98 = 161,861.10/x
  3. Step 3: Cross multiply
    252,505.20x = 348,456.98 × 161,861.10
  4. Step 4: Simplify right side
    252,505.20x = 56,401,630,085.48
  5. Step 5: Solve for x
    x = 56,401,630,085.48/252,505.20
  6. Step 6: Final answer
    x = 223,368.19

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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.