Home / 330,291.33-455,786.76-187,052.41

Finding the Fourth Proportional to 330,291.33, 455,786.76 and 187,052.41

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Solution

The fourth proportional to 330,291.33, 455,786.76 and 187,052.41 is: 258,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,291.33 : 455,786.76 = 187,052.41 : x
  2. Step 2: Convert to fraction form
    330,291.33/455,786.76 = 187,052.41/x
  3. Step 3: Cross multiply
    330,291.33x = 455,786.76 × 187,052.41
  4. Step 4: Simplify right side
    330,291.33x = 85,256,011,904.09
  5. Step 5: Solve for x
    x = 85,256,011,904.09/330,291.33
  6. Step 6: Final answer
    x = 258,123.67

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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.