Home / 267,580.08-401,431.56-90,082.32

Finding the Fourth Proportional to 267,580.08, 401,431.56 and 90,082.32

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Solution

The fourth proportional to 267,580.08, 401,431.56 and 90,082.32 is: 135,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,580.08 : 401,431.56 = 90,082.32 : x
  2. Step 2: Convert to fraction form
    267,580.08/401,431.56 = 90,082.32/x
  3. Step 3: Cross multiply
    267,580.08x = 401,431.56 × 90,082.32
  4. Step 4: Simplify right side
    267,580.08x = 36,161,886,246.02
  5. Step 5: Solve for x
    x = 36,161,886,246.02/267,580.08
  6. Step 6: Final answer
    x = 135,144.16

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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.