Home / 321,048.24-443,042.10-185,082.45

Finding the Fourth Proportional to 321,048.24, 443,042.10 and 185,082.45

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Solution

The fourth proportional to 321,048.24, 443,042.10 and 185,082.45 is: 255,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,048.24 : 443,042.10 = 185,082.45 : x
  2. Step 2: Convert to fraction form
    321,048.24/443,042.10 = 185,082.45/x
  3. Step 3: Cross multiply
    321,048.24x = 443,042.10 × 185,082.45
  4. Step 4: Simplify right side
    321,048.24x = 81,999,317,321.15
  5. Step 5: Solve for x
    x = 81,999,317,321.15/321,048.24
  6. Step 6: Final answer
    x = 255,411.20

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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.