Home / 446,043.40-669,065.10-146,570.20

Finding the Fourth Proportional to 446,043.40, 669,065.10 and 146,570.20

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Solution

The fourth proportional to 446,043.40, 669,065.10 and 146,570.20 is: 219,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,043.40 : 669,065.10 = 146,570.20 : x
  2. Step 2: Convert to fraction form
    446,043.40/669,065.10 = 146,570.20/x
  3. Step 3: Cross multiply
    446,043.40x = 669,065.10 × 146,570.20
  4. Step 4: Simplify right side
    446,043.40x = 98,065,005,520.02
  5. Step 5: Solve for x
    x = 98,065,005,520.02/446,043.40
  6. Step 6: Final answer
    x = 219,855.30

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Similar ratio
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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.