Home / 403,025.15-604,611.53-166,238.66

Finding the Fourth Proportional to 403,025.15, 604,611.53 and 166,238.66

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Solution

The fourth proportional to 403,025.15, 604,611.53 and 166,238.66 is: 249,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,025.15 : 604,611.53 = 166,238.66 : x
  2. Step 2: Convert to fraction form
    403,025.15/604,611.53 = 166,238.66/x
  3. Step 3: Cross multiply
    403,025.15x = 604,611.53 × 166,238.66
  4. Step 4: Simplify right side
    403,025.15x = 100,509,810,567.75
  5. Step 5: Solve for x
    x = 100,509,810,567.75/403,025.15
  6. Step 6: Final answer
    x = 249,388.43

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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.