Home / 661,739.58-992,609.46-163,103.58

Finding the Fourth Proportional to 661,739.58, 992,609.46 and 163,103.58

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Solution

The fourth proportional to 661,739.58, 992,609.46 and 163,103.58 is: 244,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,739.58 : 992,609.46 = 163,103.58 : x
  2. Step 2: Convert to fraction form
    661,739.58/992,609.46 = 163,103.58/x
  3. Step 3: Cross multiply
    661,739.58x = 992,609.46 × 163,103.58
  4. Step 4: Simplify right side
    661,739.58x = 161,898,156,467.87
  5. Step 5: Solve for x
    x = 161,898,156,467.87/661,739.58
  6. Step 6: Final answer
    x = 244,655.39

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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.