Home / 302,421.20-453,804.60-115,566.80

Finding the Fourth Proportional to 302,421.20, 453,804.60 and 115,566.80

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Solution

The fourth proportional to 302,421.20, 453,804.60 and 115,566.80 is: 173,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,421.20 : 453,804.60 = 115,566.80 : x
  2. Step 2: Convert to fraction form
    302,421.20/453,804.60 = 115,566.80/x
  3. Step 3: Cross multiply
    302,421.20x = 453,804.60 × 115,566.80
  4. Step 4: Simplify right side
    302,421.20x = 52,444,745,447.28
  5. Step 5: Solve for x
    x = 52,444,745,447.28/302,421.20
  6. Step 6: Final answer
    x = 173,416.23

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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.