Home / 354,928.56-532,418.40-111,748.80

Finding the Fourth Proportional to 354,928.56, 532,418.40 and 111,748.80

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Solution

The fourth proportional to 354,928.56, 532,418.40 and 111,748.80 is: 167,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,928.56 : 532,418.40 = 111,748.80 : x
  2. Step 2: Convert to fraction form
    354,928.56/532,418.40 = 111,748.80/x
  3. Step 3: Cross multiply
    354,928.56x = 532,418.40 × 111,748.80
  4. Step 4: Simplify right side
    354,928.56x = 59,497,117,297.92
  5. Step 5: Solve for x
    x = 59,497,117,297.92/354,928.56
  6. Step 6: Final answer
    x = 167,631.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.