Home / 212,191.07-318,325.96-70,046.24

Finding the Fourth Proportional to 212,191.07, 318,325.96 and 70,046.24

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Solution

The fourth proportional to 212,191.07, 318,325.96 and 70,046.24 is: 105,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,191.07 : 318,325.96 = 70,046.24 : x
  2. Step 2: Convert to fraction form
    212,191.07/318,325.96 = 70,046.24/x
  3. Step 3: Cross multiply
    212,191.07x = 318,325.96 × 70,046.24
  4. Step 4: Simplify right side
    212,191.07x = 22,297,536,592.39
  5. Step 5: Solve for x
    x = 22,297,536,592.39/212,191.07
  6. Step 6: Final answer
    x = 105,082.35

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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.