Home / 240,020.08-331,228.88-131,125.93

Finding the Fourth Proportional to 240,020.08, 331,228.88 and 131,125.93

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Solution

The fourth proportional to 240,020.08, 331,228.88 and 131,125.93 is: 180,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,020.08 : 331,228.88 = 131,125.93 : x
  2. Step 2: Convert to fraction form
    240,020.08/331,228.88 = 131,125.93/x
  3. Step 3: Cross multiply
    240,020.08x = 331,228.88 × 131,125.93
  4. Step 4: Simplify right side
    240,020.08x = 43,432,694,932.86
  5. Step 5: Solve for x
    x = 43,432,694,932.86/240,020.08
  6. Step 6: Final answer
    x = 180,954.42

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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.