Home / 403,914.30-605,685.18-119,503.14

Finding the Fourth Proportional to 403,914.30, 605,685.18 and 119,503.14

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Solution

The fourth proportional to 403,914.30, 605,685.18 and 119,503.14 is: 179,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,914.30 : 605,685.18 = 119,503.14 : x
  2. Step 2: Convert to fraction form
    403,914.30/605,685.18 = 119,503.14/x
  3. Step 3: Cross multiply
    403,914.30x = 605,685.18 × 119,503.14
  4. Step 4: Simplify right side
    403,914.30x = 72,381,280,861.47
  5. Step 5: Solve for x
    x = 72,381,280,861.47/403,914.30
  6. Step 6: Final answer
    x = 179,199.60

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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.