Home / 302,209.20-453,425.40-124,731.60

Finding the Fourth Proportional to 302,209.20, 453,425.40 and 124,731.60

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Solution

The fourth proportional to 302,209.20, 453,425.40 and 124,731.60 is: 187,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,209.20 : 453,425.40 = 124,731.60 : x
  2. Step 2: Convert to fraction form
    302,209.20/453,425.40 = 124,731.60/x
  3. Step 3: Cross multiply
    302,209.20x = 453,425.40 × 124,731.60
  4. Step 4: Simplify right side
    302,209.20x = 56,556,475,622.64
  5. Step 5: Solve for x
    x = 56,556,475,622.64/302,209.20
  6. Step 6: Final answer
    x = 187,143.46

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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.