Home / 403,023.15-604,608.53-166,236.66

Finding the Fourth Proportional to 403,023.15, 604,608.53 and 166,236.66

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Solution

The fourth proportional to 403,023.15, 604,608.53 and 166,236.66 is: 249,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,023.15 : 604,608.53 = 166,236.66 : x
  2. Step 2: Convert to fraction form
    403,023.15/604,608.53 = 166,236.66/x
  3. Step 3: Cross multiply
    403,023.15x = 604,608.53 × 166,236.66
  4. Step 4: Simplify right side
    403,023.15x = 100,508,101,538.78
  5. Step 5: Solve for x
    x = 100,508,101,538.78/403,023.15
  6. Step 6: Final answer
    x = 249,385.43

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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.