Home / 283,784.04-391,614.48-156,456.36

Finding the Fourth Proportional to 283,784.04, 391,614.48 and 156,456.36

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Solution

The fourth proportional to 283,784.04, 391,614.48 and 156,456.36 is: 215,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,784.04 : 391,614.48 = 156,456.36 : x
  2. Step 2: Convert to fraction form
    283,784.04/391,614.48 = 156,456.36/x
  3. Step 3: Cross multiply
    283,784.04x = 391,614.48 × 156,456.36
  4. Step 4: Simplify right side
    283,784.04x = 61,270,576,064.09
  5. Step 5: Solve for x
    x = 61,270,576,064.09/283,784.04
  6. Step 6: Final answer
    x = 215,905.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.