Home / 211,259.75-316,676.39-132,429.33

Finding the Fourth Proportional to 211,259.75, 316,676.39 and 132,429.33

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Solution

The fourth proportional to 211,259.75, 316,676.39 and 132,429.33 is: 198,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.75 : 316,676.39 = 132,429.33 : x
  2. Step 2: Convert to fraction form
    211,259.75/316,676.39 = 132,429.33/x
  3. Step 3: Cross multiply
    211,259.75x = 316,676.39 × 132,429.33
  4. Step 4: Simplify right side
    211,259.75x = 41,937,242,154.52
  5. Step 5: Solve for x
    x = 41,937,242,154.52/211,259.75
  6. Step 6: Final answer
    x = 198,510.33

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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.