Home / 446,288.31-669,432.47-130,745.22

Finding the Fourth Proportional to 446,288.31, 669,432.47 and 130,745.22

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Solution

The fourth proportional to 446,288.31, 669,432.47 and 130,745.22 is: 196,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,288.31 : 669,432.47 = 130,745.22 : x
  2. Step 2: Convert to fraction form
    446,288.31/669,432.47 = 130,745.22/x
  3. Step 3: Cross multiply
    446,288.31x = 669,432.47 × 130,745.22
  4. Step 4: Simplify right side
    446,288.31x = 87,525,094,911.57
  5. Step 5: Solve for x
    x = 87,525,094,911.57/446,288.31
  6. Step 6: Final answer
    x = 196,117.83

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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.