Home / 254,690.73-382,014.07-86,207.44

Finding the Fourth Proportional to 254,690.73, 382,014.07 and 86,207.44

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Solution

The fourth proportional to 254,690.73, 382,014.07 and 86,207.44 is: 129,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,690.73 : 382,014.07 = 86,207.44 : x
  2. Step 2: Convert to fraction form
    254,690.73/382,014.07 = 86,207.44/x
  3. Step 3: Cross multiply
    254,690.73x = 382,014.07 × 86,207.44
  4. Step 4: Simplify right side
    254,690.73x = 32,932,455,049.32
  5. Step 5: Solve for x
    x = 32,932,455,049.32/254,690.73
  6. Step 6: Final answer
    x = 129,303.71

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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.