Home / 404,455.10-606,901.35-167,821.70

Finding the Fourth Proportional to 404,455.10, 606,901.35 and 167,821.70

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Solution

The fourth proportional to 404,455.10, 606,901.35 and 167,821.70 is: 251,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,455.10 : 606,901.35 = 167,821.70 : x
  2. Step 2: Convert to fraction form
    404,455.10/606,901.35 = 167,821.70/x
  3. Step 3: Cross multiply
    404,455.10x = 606,901.35 × 167,821.70
  4. Step 4: Simplify right side
    404,455.10x = 101,851,216,289.30
  5. Step 5: Solve for x
    x = 101,851,216,289.30/404,455.10
  6. Step 6: Final answer
    x = 251,823.30

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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.