Home / 302,458.20-453,665.43-144,644.28

Finding the Fourth Proportional to 302,458.20, 453,665.43 and 144,644.28

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Solution

The fourth proportional to 302,458.20, 453,665.43 and 144,644.28 is: 216,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,458.20 : 453,665.43 = 144,644.28 : x
  2. Step 2: Convert to fraction form
    302,458.20/453,665.43 = 144,644.28/x
  3. Step 3: Cross multiply
    302,458.20x = 453,665.43 × 144,644.28
  4. Step 4: Simplify right side
    302,458.20x = 65,620,109,483.24
  5. Step 5: Solve for x
    x = 65,620,109,483.24/302,458.20
  6. Step 6: Final answer
    x = 216,955.96

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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.