Home / 212,526.24-318,986.46-107,419.02

Finding the Fourth Proportional to 212,526.24, 318,986.46 and 107,419.02

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Solution

The fourth proportional to 212,526.24, 318,986.46 and 107,419.02 is: 161,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,526.24 : 318,986.46 = 107,419.02 : x
  2. Step 2: Convert to fraction form
    212,526.24/318,986.46 = 107,419.02/x
  3. Step 3: Cross multiply
    212,526.24x = 318,986.46 × 107,419.02
  4. Step 4: Simplify right side
    212,526.24x = 34,265,212,926.47
  5. Step 5: Solve for x
    x = 34,265,212,926.47/212,526.24
  6. Step 6: Final answer
    x = 161,228.15

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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.