Home / 231,759.32-320,013.87-186,291.59

Finding the Fourth Proportional to 231,759.32, 320,013.87 and 186,291.59

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Solution

The fourth proportional to 231,759.32, 320,013.87 and 186,291.59 is: 257,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,759.32 : 320,013.87 = 186,291.59 : x
  2. Step 2: Convert to fraction form
    231,759.32/320,013.87 = 186,291.59/x
  3. Step 3: Cross multiply
    231,759.32x = 320,013.87 × 186,291.59
  4. Step 4: Simplify right side
    231,759.32x = 59,615,892,664.35
  5. Step 5: Solve for x
    x = 59,615,892,664.35/231,759.32
  6. Step 6: Final answer
    x = 257,231.91

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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.