Home / 302,419.70-453,629.55-124,835.30

Finding the Fourth Proportional to 302,419.70, 453,629.55 and 124,835.30

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Solution

The fourth proportional to 302,419.70, 453,629.55 and 124,835.30 is: 187,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,419.70 : 453,629.55 = 124,835.30 : x
  2. Step 2: Convert to fraction form
    302,419.70/453,629.55 = 124,835.30/x
  3. Step 3: Cross multiply
    302,419.70x = 453,629.55 × 124,835.30
  4. Step 4: Simplify right side
    302,419.70x = 56,628,980,963.12
  5. Step 5: Solve for x
    x = 56,628,980,963.12/302,419.70
  6. Step 6: Final answer
    x = 187,252.95

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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.