Home / 251,069.35-376,440.34-91,115.13

Finding the Fourth Proportional to 251,069.35, 376,440.34 and 91,115.13

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Solution

The fourth proportional to 251,069.35, 376,440.34 and 91,115.13 is: 136,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,069.35 : 376,440.34 = 91,115.13 : x
  2. Step 2: Convert to fraction form
    251,069.35/376,440.34 = 91,115.13/x
  3. Step 3: Cross multiply
    251,069.35x = 376,440.34 × 91,115.13
  4. Step 4: Simplify right side
    251,069.35x = 34,299,409,497.31
  5. Step 5: Solve for x
    x = 34,299,409,497.31/251,069.35
  6. Step 6: Final answer
    x = 136,613.29

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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.