Home / 212,441.60-318,588.96-94,195.64

Finding the Fourth Proportional to 212,441.60, 318,588.96 and 94,195.64

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Solution

The fourth proportional to 212,441.60, 318,588.96 and 94,195.64 is: 141,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,441.60 : 318,588.96 = 94,195.64 : x
  2. Step 2: Convert to fraction form
    212,441.60/318,588.96 = 94,195.64/x
  3. Step 3: Cross multiply
    212,441.60x = 318,588.96 × 94,195.64
  4. Step 4: Simplify right side
    212,441.60x = 30,009,690,984.13
  5. Step 5: Solve for x
    x = 30,009,690,984.13/212,441.60
  6. Step 6: Final answer
    x = 141,260.90

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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.