Home / 270,046.08-404,716.80-145,240.32

Finding the Fourth Proportional to 270,046.08, 404,716.80 and 145,240.32

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Solution

The fourth proportional to 270,046.08, 404,716.80 and 145,240.32 is: 217,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,046.08 : 404,716.80 = 145,240.32 : x
  2. Step 2: Convert to fraction form
    270,046.08/404,716.80 = 145,240.32/x
  3. Step 3: Cross multiply
    270,046.08x = 404,716.80 × 145,240.32
  4. Step 4: Simplify right side
    270,046.08x = 58,781,197,541.38
  5. Step 5: Solve for x
    x = 58,781,197,541.38/270,046.08
  6. Step 6: Final answer
    x = 217,670.99

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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.