Home / 306,056.90-459,150.15-92,807.30

Finding the Fourth Proportional to 306,056.90, 459,150.15 and 92,807.30

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Solution

The fourth proportional to 306,056.90, 459,150.15 and 92,807.30 is: 139,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.90 : 459,150.15 = 92,807.30 : x
  2. Step 2: Convert to fraction form
    306,056.90/459,150.15 = 92,807.30/x
  3. Step 3: Cross multiply
    306,056.90x = 459,150.15 × 92,807.30
  4. Step 4: Simplify right side
    306,056.90x = 42,612,485,716.10
  5. Step 5: Solve for x
    x = 42,612,485,716.10/306,056.90
  6. Step 6: Final answer
    x = 139,230.60

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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.