Home / 263,459.07-395,188.89-123,316.11

Finding the Fourth Proportional to 263,459.07, 395,188.89 and 123,316.11

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Solution

The fourth proportional to 263,459.07, 395,188.89 and 123,316.11 is: 184,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,459.07 : 395,188.89 = 123,316.11 : x
  2. Step 2: Convert to fraction form
    263,459.07/395,188.89 = 123,316.11/x
  3. Step 3: Cross multiply
    263,459.07x = 395,188.89 × 123,316.11
  4. Step 4: Simplify right side
    263,459.07x = 48,733,156,630.02
  5. Step 5: Solve for x
    x = 48,733,156,630.02/263,459.07
  6. Step 6: Final answer
    x = 184,974.30

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1.5x scale

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.