Home / 403,115.13-604,620.45-166,425.84

Finding the Fourth Proportional to 403,115.13, 604,620.45 and 166,425.84

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Solution

The fourth proportional to 403,115.13, 604,620.45 and 166,425.84 is: 249,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,115.13 : 604,620.45 = 166,425.84 : x
  2. Step 2: Convert to fraction form
    403,115.13/604,620.45 = 166,425.84/x
  3. Step 3: Cross multiply
    403,115.13x = 604,620.45 × 166,425.84
  4. Step 4: Simplify right side
    403,115.13x = 100,624,466,272.43
  5. Step 5: Solve for x
    x = 100,624,466,272.43/403,115.13
  6. Step 6: Final answer
    x = 249,617.19

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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.