Home / 446,530.20-669,795.30-165,989.40

Finding the Fourth Proportional to 446,530.20, 669,795.30 and 165,989.40

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Solution

The fourth proportional to 446,530.20, 669,795.30 and 165,989.40 is: 248,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,530.20 : 669,795.30 = 165,989.40 : x
  2. Step 2: Convert to fraction form
    446,530.20/669,795.30 = 165,989.40/x
  3. Step 3: Cross multiply
    446,530.20x = 669,795.30 × 165,989.40
  4. Step 4: Simplify right side
    446,530.20x = 111,178,919,969.82
  5. Step 5: Solve for x
    x = 111,178,919,969.82/446,530.20
  6. Step 6: Final answer
    x = 248,984.10

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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.