Home / 302,561.20-453,841.80-92,209.60

Finding the Fourth Proportional to 302,561.20, 453,841.80 and 92,209.60

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Solution

The fourth proportional to 302,561.20, 453,841.80 and 92,209.60 is: 138,314.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,561.20 : 453,841.80 = 92,209.60 : x
  2. Step 2: Convert to fraction form
    302,561.20/453,841.80 = 92,209.60/x
  3. Step 3: Cross multiply
    302,561.20x = 453,841.80 × 92,209.60
  4. Step 4: Simplify right side
    302,561.20x = 41,848,570,841.28
  5. Step 5: Solve for x
    x = 41,848,570,841.28/302,561.20
  6. Step 6: Final answer
    x = 138,314.40

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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.