Home / 283,613.40-425,420.10-199,632.60

Finding the Fourth Proportional to 283,613.40, 425,420.10 and 199,632.60

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Solution

The fourth proportional to 283,613.40, 425,420.10 and 199,632.60 is: 299,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,613.40 : 425,420.10 = 199,632.60 : x
  2. Step 2: Convert to fraction form
    283,613.40/425,420.10 = 199,632.60/x
  3. Step 3: Cross multiply
    283,613.40x = 425,420.10 × 199,632.60
  4. Step 4: Simplify right side
    283,613.40x = 84,927,720,655.26
  5. Step 5: Solve for x
    x = 84,927,720,655.26/283,613.40
  6. Step 6: Final answer
    x = 299,448.90

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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.