Home / 302,208.20-453,423.90-124,730.60

Finding the Fourth Proportional to 302,208.20, 453,423.90 and 124,730.60

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Solution

The fourth proportional to 302,208.20, 453,423.90 and 124,730.60 is: 187,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,208.20 : 453,423.90 = 124,730.60 : x
  2. Step 2: Convert to fraction form
    302,208.20/453,423.90 = 124,730.60/x
  3. Step 3: Cross multiply
    302,208.20x = 453,423.90 × 124,730.60
  4. Step 4: Simplify right side
    302,208.20x = 56,555,835,101.34
  5. Step 5: Solve for x
    x = 56,555,835,101.34/302,208.20
  6. Step 6: Final answer
    x = 187,141.96

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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.