Home / 280,028.08-386,468.36-171,196.16

Finding the Fourth Proportional to 280,028.08, 386,468.36 and 171,196.16

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Solution

The fourth proportional to 280,028.08, 386,468.36 and 171,196.16 is: 236,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,028.08 : 386,468.36 = 171,196.16 : x
  2. Step 2: Convert to fraction form
    280,028.08/386,468.36 = 171,196.16/x
  3. Step 3: Cross multiply
    280,028.08x = 386,468.36 × 171,196.16
  4. Step 4: Simplify right side
    280,028.08x = 66,161,899,193.50
  5. Step 5: Solve for x
    x = 66,161,899,193.50/280,028.08
  6. Step 6: Final answer
    x = 236,268.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.