Home / 240,872.30-332,403.60-131,976.74

Finding the Fourth Proportional to 240,872.30, 332,403.60 and 131,976.74

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Solution

The fourth proportional to 240,872.30, 332,403.60 and 131,976.74 is: 182,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,872.30 : 332,403.60 = 131,976.74 : x
  2. Step 2: Convert to fraction form
    240,872.30/332,403.60 = 131,976.74/x
  3. Step 3: Cross multiply
    240,872.30x = 332,403.60 × 131,976.74
  4. Step 4: Simplify right side
    240,872.30x = 43,869,543,492.26
  5. Step 5: Solve for x
    x = 43,869,543,492.26/240,872.30
  6. Step 6: Final answer
    x = 182,127.81

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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.