Home / 240,292.63-331,595.53-131,399.61

Finding the Fourth Proportional to 240,292.63, 331,595.53 and 131,399.61

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Solution

The fourth proportional to 240,292.63, 331,595.53 and 131,399.61 is: 181,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,292.63 : 331,595.53 = 131,399.61 : x
  2. Step 2: Convert to fraction form
    240,292.63/331,595.53 = 131,399.61/x
  3. Step 3: Cross multiply
    240,292.63x = 331,595.53 × 131,399.61
  4. Step 4: Simplify right side
    240,292.63x = 43,571,523,319.74
  5. Step 5: Solve for x
    x = 43,571,523,319.74/240,292.63
  6. Step 6: Final answer
    x = 181,326.92

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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.