Home / 282,109.60-422,884.08-141,438.88

Finding the Fourth Proportional to 282,109.60, 422,884.08 and 141,438.88

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Solution

The fourth proportional to 282,109.60, 422,884.08 and 141,438.88 is: 212,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,109.60 : 422,884.08 = 141,438.88 : x
  2. Step 2: Convert to fraction form
    282,109.60/422,884.08 = 141,438.88/x
  3. Step 3: Cross multiply
    282,109.60x = 422,884.08 × 141,438.88
  4. Step 4: Simplify right side
    282,109.60x = 59,812,250,645.03
  5. Step 5: Solve for x
    x = 59,812,250,645.03/282,109.60
  6. Step 6: Final answer
    x = 212,017.78

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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.