Home / 325,666.42-488,217.03-126,131.83

Finding the Fourth Proportional to 325,666.42, 488,217.03 and 126,131.83

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Solution

The fourth proportional to 325,666.42, 488,217.03 and 126,131.83 is: 189,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,666.42 : 488,217.03 = 126,131.83 : x
  2. Step 2: Convert to fraction form
    325,666.42/488,217.03 = 126,131.83/x
  3. Step 3: Cross multiply
    325,666.42x = 488,217.03 × 126,131.83
  4. Step 4: Simplify right side
    325,666.42x = 61,579,707,431.06
  5. Step 5: Solve for x
    x = 61,579,707,431.06/325,666.42
  6. Step 6: Final answer
    x = 189,088.29

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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.