Home / 281,938.08-422,907.84-95,080.80

Finding the Fourth Proportional to 281,938.08, 422,907.84 and 95,080.80

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Solution

The fourth proportional to 281,938.08, 422,907.84 and 95,080.80 is: 142,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,938.08 : 422,907.84 = 95,080.80 : x
  2. Step 2: Convert to fraction form
    281,938.08/422,907.84 = 95,080.80/x
  3. Step 3: Cross multiply
    281,938.08x = 422,907.84 × 95,080.80
  4. Step 4: Simplify right side
    281,938.08x = 40,210,415,753.47
  5. Step 5: Solve for x
    x = 40,210,415,753.47/281,938.08
  6. Step 6: Final answer
    x = 142,621.44

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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.