Home / 211,259.92-316,676.65-132,429.51

Finding the Fourth Proportional to 211,259.92, 316,676.65 and 132,429.51

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Solution

The fourth proportional to 211,259.92, 316,676.65 and 132,429.51 is: 198,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.92 : 316,676.65 = 132,429.51 : x
  2. Step 2: Convert to fraction form
    211,259.92/316,676.65 = 132,429.51/x
  3. Step 3: Cross multiply
    211,259.92x = 316,676.65 × 132,429.51
  4. Step 4: Simplify right side
    211,259.92x = 41,937,332,069.33
  5. Step 5: Solve for x
    x = 41,937,332,069.33/211,259.92
  6. Step 6: Final answer
    x = 198,510.59

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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.