Home / 446,739.40-669,878.70-166,112.20

Finding the Fourth Proportional to 446,739.40, 669,878.70 and 166,112.20

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Solution

The fourth proportional to 446,739.40, 669,878.70 and 166,112.20 is: 249,082.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,739.40 : 669,878.70 = 166,112.20 : x
  2. Step 2: Convert to fraction form
    446,739.40/669,878.70 = 166,112.20/x
  3. Step 3: Cross multiply
    446,739.40x = 669,878.70 × 166,112.20
  4. Step 4: Simplify right side
    446,739.40x = 111,275,024,590.14
  5. Step 5: Solve for x
    x = 111,275,024,590.14/446,739.40
  6. Step 6: Final answer
    x = 249,082.63

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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.