Home / 302,567.40-453,851.10-196,279.20

Finding the Fourth Proportional to 302,567.40, 453,851.10 and 196,279.20

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Solution

The fourth proportional to 302,567.40, 453,851.10 and 196,279.20 is: 294,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,567.40 : 453,851.10 = 196,279.20 : x
  2. Step 2: Convert to fraction form
    302,567.40/453,851.10 = 196,279.20/x
  3. Step 3: Cross multiply
    302,567.40x = 453,851.10 × 196,279.20
  4. Step 4: Simplify right side
    302,567.40x = 89,081,530,827.12
  5. Step 5: Solve for x
    x = 89,081,530,827.12/302,567.40
  6. Step 6: Final answer
    x = 294,418.80

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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.