Home / 303,685.20-455,538.60-93,322.80

Finding the Fourth Proportional to 303,685.20, 455,538.60 and 93,322.80

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Solution

The fourth proportional to 303,685.20, 455,538.60 and 93,322.80 is: 139,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,685.20 : 455,538.60 = 93,322.80 : x
  2. Step 2: Convert to fraction form
    303,685.20/455,538.60 = 93,322.80/x
  3. Step 3: Cross multiply
    303,685.20x = 455,538.60 × 93,322.80
  4. Step 4: Simplify right side
    303,685.20x = 42,512,137,660.08
  5. Step 5: Solve for x
    x = 42,512,137,660.08/303,685.20
  6. Step 6: Final answer
    x = 139,987.52

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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.