Home / 267,629.91-401,445-80,641.41

Finding the Fourth Proportional to 267,629.91, 401,445 and 80,641.41

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Solution

The fourth proportional to 267,629.91, 401,445 and 80,641.41 is: 120,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,629.91 : 401,445 = 80,641.41 : x
  2. Step 2: Convert to fraction form
    267,629.91/401,445 = 80,641.41/x
  3. Step 3: Cross multiply
    267,629.91x = 401,445 × 80,641.41
  4. Step 4: Simplify right side
    267,629.91x = 32,373,090,837.45
  5. Step 5: Solve for x
    x = 32,373,090,837.45/267,629.91
  6. Step 6: Final answer
    x = 120,962.16

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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.