Home / 302,271.20-453,579.60-115,416.80

Finding the Fourth Proportional to 302,271.20, 453,579.60 and 115,416.80

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Solution

The fourth proportional to 302,271.20, 453,579.60 and 115,416.80 is: 173,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,271.20 : 453,579.60 = 115,416.80 : x
  2. Step 2: Convert to fraction form
    302,271.20/453,579.60 = 115,416.80/x
  3. Step 3: Cross multiply
    302,271.20x = 453,579.60 × 115,416.80
  4. Step 4: Simplify right side
    302,271.20x = 52,350,705,977.28
  5. Step 5: Solve for x
    x = 52,350,705,977.28/302,271.20
  6. Step 6: Final answer
    x = 173,191.18

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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.