Home / 403,116.12-604,652.22-122,611.50

Finding the Fourth Proportional to 403,116.12, 604,652.22 and 122,611.50

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Solution

The fourth proportional to 403,116.12, 604,652.22 and 122,611.50 is: 183,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,116.12 : 604,652.22 = 122,611.50 : x
  2. Step 2: Convert to fraction form
    403,116.12/604,652.22 = 122,611.50/x
  3. Step 3: Cross multiply
    403,116.12x = 604,652.22 × 122,611.50
  4. Step 4: Simplify right side
    403,116.12x = 74,137,315,672.53
  5. Step 5: Solve for x
    x = 74,137,315,672.53/403,116.12
  6. Step 6: Final answer
    x = 183,910.57

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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.