Home / 353,139.40-529,709.10-227,168.20

Finding the Fourth Proportional to 353,139.40, 529,709.10 and 227,168.20

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Solution

The fourth proportional to 353,139.40, 529,709.10 and 227,168.20 is: 340,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,139.40 : 529,709.10 = 227,168.20 : x
  2. Step 2: Convert to fraction form
    353,139.40/529,709.10 = 227,168.20/x
  3. Step 3: Cross multiply
    353,139.40x = 529,709.10 × 227,168.20
  4. Step 4: Simplify right side
    353,139.40x = 120,333,062,770.62
  5. Step 5: Solve for x
    x = 120,333,062,770.62/353,139.40
  6. Step 6: Final answer
    x = 340,752.30

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1.5x scale

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.