Home / 446,387.90-669,587.18-130,851.18

Finding the Fourth Proportional to 446,387.90, 669,587.18 and 130,851.18

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Solution

The fourth proportional to 446,387.90, 669,587.18 and 130,851.18 is: 196,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,387.90 : 669,587.18 = 130,851.18 : x
  2. Step 2: Convert to fraction form
    446,387.90/669,587.18 = 130,851.18/x
  3. Step 3: Cross multiply
    446,387.90x = 669,587.18 × 130,851.18
  4. Step 4: Simplify right side
    446,387.90x = 87,616,271,961.62
  5. Step 5: Solve for x
    x = 87,616,271,961.62/446,387.90
  6. Step 6: Final answer
    x = 196,278.33

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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.