Home / 302,261.20-453,564.60-115,406.80

Finding the Fourth Proportional to 302,261.20, 453,564.60 and 115,406.80

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Solution

The fourth proportional to 302,261.20, 453,564.60 and 115,406.80 is: 173,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,261.20 : 453,564.60 = 115,406.80 : x
  2. Step 2: Convert to fraction form
    302,261.20/453,564.60 = 115,406.80/x
  3. Step 3: Cross multiply
    302,261.20x = 453,564.60 × 115,406.80
  4. Step 4: Simplify right side
    302,261.20x = 52,344,439,079.28
  5. Step 5: Solve for x
    x = 52,344,439,079.28/302,261.20
  6. Step 6: Final answer
    x = 173,176.18

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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.