Home / 178,268.72-267,403.54-45,148.99

Finding the Fourth Proportional to 178,268.72, 267,403.54 and 45,148.99

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Solution

The fourth proportional to 178,268.72, 267,403.54 and 45,148.99 is: 67,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,268.72 : 267,403.54 = 45,148.99 : x
  2. Step 2: Convert to fraction form
    178,268.72/267,403.54 = 45,148.99/x
  3. Step 3: Cross multiply
    178,268.72x = 267,403.54 × 45,148.99
  4. Step 4: Simplify right side
    178,268.72x = 12,072,999,753.42
  5. Step 5: Solve for x
    x = 12,072,999,753.42/178,268.72
  6. Step 6: Final answer
    x = 67,723.60

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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.