Home / 446,538.60-669,894.30-131,005.80

Finding the Fourth Proportional to 446,538.60, 669,894.30 and 131,005.80

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Solution

The fourth proportional to 446,538.60, 669,894.30 and 131,005.80 is: 196,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,538.60 : 669,894.30 = 131,005.80 : x
  2. Step 2: Convert to fraction form
    446,538.60/669,894.30 = 131,005.80/x
  3. Step 3: Cross multiply
    446,538.60x = 669,894.30 × 131,005.80
  4. Step 4: Simplify right side
    446,538.60x = 87,760,038,686.94
  5. Step 5: Solve for x
    x = 87,760,038,686.94/446,538.60
  6. Step 6: Final answer
    x = 196,534.05

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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.