Home / 256,181.04-353,508.84-148,716.72

Finding the Fourth Proportional to 256,181.04, 353,508.84 and 148,716.72

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Solution

The fourth proportional to 256,181.04, 353,508.84 and 148,716.72 is: 205,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,181.04 : 353,508.84 = 148,716.72 : x
  2. Step 2: Convert to fraction form
    256,181.04/353,508.84 = 148,716.72/x
  3. Step 3: Cross multiply
    256,181.04x = 353,508.84 × 148,716.72
  4. Step 4: Simplify right side
    256,181.04x = 52,572,675,175.80
  5. Step 5: Solve for x
    x = 52,572,675,175.80/256,181.04
  6. Step 6: Final answer
    x = 205,216.89

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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.